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[ pin ]

/ pɪn /

noun

a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things.

a short, slender piece of wire with a point at one end and a head at the other, for fastening things together.

any of various forms of fasteners or ornaments consisting essentially or partly of a pointed or penetrating wire or shaft (often used in combination): a jeweled pin.

a badge having a pointed bar or pin attached, by which it is fastened to the clothing: a fraternity pin.

Digital Technology. a photo or link that is bookmarked on Pinterest, a website and mobile application: She added 5 pins to her recipes board.

Machinery.

a short metal rod, as a linchpin, driven through holes in adjacent parts, as a hub and an axle, to keep the parts together.
a short cylindrical rod or tube, as a wrist pin or crankpin, joining two parts so as to permit them to move in one plane relative to each other.
a short axle, as one on which a pulley rotates in a block.

the part of a cylindrical key stem entering a lock.

a clothespin.

a hairpin.

rolling pin.

a peg, nail, or stud marking the center of a target.

Bowling. any one of the rounded wooden clubs set up as the target in tenpins, ninepins, duckpins, etc.

Golf. the flag staff which identifies a hole.

any of the projecting knobs or rails on a pinball machine that serve as targets for the ball.

Informal. a human leg.

Music. peg(def 5).

Wrestling. a fall.

Nautical.

an axle for a sheave of a block.
belaying pin.

Carpentry. a tenon in a dovetail joint; dovetail.

a very small amount; a trifle: Such insincere advice isn't worth a pin.

Chess. the immobilization of an enemy piece by attacking with one's queen, rook, or bishop.

Electronics. a pin-shaped connection, as the terminals on the base of an electron tube or the connections on an integrated circuit.

verb (used with object), pinned, pin·ning.

to fasten or attach with or as with a pin or pins: to pin two pieces of cloth together.

to hold fast in a spot or position (sometimes followed by down): The debris pinned him down.

to transfix or mount with a pin or the like: to pin a flower as a botanical specimen.

Chess. to immobilize (an enemy piece) by placing one's queen, rook, or bishop in a position to check the exposed king or capture a valuable piece if the pinned piece were moved.

Wrestling. to secure a fall over one's opponent.

Digital Technology.

to bookmark (a photo or link) on Pinterest, a website and mobile application: He pinned a jacket from Macy's on his fashion board.
to fix (a social media post) to the top of a feed: She pinned a tweet about her forthcoming book to the top of her Twitter feed.

verb (used without object), pinned, pin·ning.

Digital Technology. to bookmark a photo or link on Pinterest: I've been pinning a lot lately.

Verb Phrases

pin down,

to bind or hold to a course of action, a promise, etc.
to force (someone) to deal with a situation or to come to a decision: We tried to pin him down for a definite answer, but he was too evasive for us.

pin in, to fill (gaps in a rubble wall, etc.) with spalls.

pin up, to make (a piece of masonry) level or plumb with wedges.

Idioms for pin

get pinned,

(of a young woman) to receive a male student's fraternity pin as a symbol of his affection and fidelity, usually symbolizing that the couple is going steady or plans to become engaged.
(of a young couple) to become formally pledged to one another, though not yet engaged, by the bestowing of such a pin or the exchange of pins.

pin something on someone, Informal. to ascribe the blame or guilt for something to a person; show someone to be culpable: They pinned the crime on him.

pull the pin, Informal. to end a relationship, project, program, or the like, because of lack of continuing interest, success, funds, etc.

Origin of pin

before 1100; (noun) Middle English pinne, Old English pinn “peg”; cognate with Dutch pin, German Pinne, Old Norse pinni; perhaps frrom Latin pinna “feather, quill” (see pinna); (verb) Middle English pinnen, derivative of the noun

SYNONYMS FOR pin

1 bolt, peg.

3 brooch.

SEE SYNONYMS FOR pin ON THESAURUS.COM

OTHER WORDS FROM pin

re·pin, verb (used with object), re·pinned, re·pin·ning.

Words nearby pin

pimping, pimple, pimple copper, pimply, pimpmobile, pin, pin back one's ears, pin boy, pin cherry, pin clover, pin curl

British Dictionary definitions for pin down (1 of 3)

pin down

verb (tr, adverb)

to force (someone) to make a decision or carry out a promise

to define clearly he had a vague suspicion that he couldn't quite pin down

to confine to a place the fallen tree pinned him down

British Dictionary definitions for pin down (2 of 3)

/ (pɪn) /

n acronym for

personal identification number: a number used by a holder of a cash card or credit card used in EFTPOS

British Dictionary definitions for pin down (3 of 3)

/ (pɪn) /

noun

a short stiff straight piece of wire pointed at one end and either rounded or having a flattened head at the other: used mainly for fastening pieces of cloth, paper, etc, esp temporarily
(in combination)pinhole

short for cotter pin, hairpin, panel pin, rolling pin, safety pin

an ornamental brooch, esp a narrow one

a badge worn fastened to the clothing by a pin

something of little or no importance (esp in the phrases not care or give a pin (for))

a peg or dowel

anything resembling a pin in shape, function, etc

(in various bowling games) a usually club-shaped wooden object set up in groups as a target

Also called: cotter pin, safety pin a clip on a hand grenade that prevents its detonation until removed or released

nautical

See belaying pin
the axle of a sheave
the sliding closure for a shackle

music a metal tuning peg on a piano, the end of which is inserted into a detachable key by means of which it is turned

surgery a metal rod, esp of stainless steel, for holding together adjacent ends of fractured bones during healing

chess a position in which a piece is pinned against a more valuable piece or the king

golf the flagpole marking the hole on a green

the cylindrical part of a key that enters a lock
the cylindrical part of a lock where this part of the key fits

wrestling a position in which a person is held tight or immobile, esp with both shoulders touching the ground

a dovetail tenon used to make a dovetail joint

(in Britain) a miniature beer cask containing 4 1/2 gallons

(usually plural) informal a leg

be put to the pin on one's collar Irish to be forced to make an extreme effort

verb pins, pinning or pinned (tr)

to attach, hold, or fasten with or as if with a pin or pins

to transfix with a pin, spear, etc

(foll by on) informal to place (the blame for something) he pinned the charge on his accomplice

chess to cause (an enemy piece) to be effectively immobilized by attacking it with a queen, rook, or bishop so that moving it would reveal a check or expose a more valuable piece to capture

Also: underpin to support (masonry), as by driving in wedges over a beam

Word Origin for pin

Old English pinn; related to Old High German pfinn, Old Norse pinni nail

Medical definitions for pin down

[ pĭn ]

n.

A thin rod for securing the ends of fractured bones.

A peg for fixing the crown to the root of a tooth.

v.

To fasten or secure with a pin or pins.

Idioms and Phrases with pin down (1 of 2)

pin down

Fix or establish clearly, as in The firefighters finally were able to pin down the source of the odor. [Mid-1900s]

Force someone to give precise information or opinions, as in The reporter pinned down the governor on the issue of conservation measures. [c. 1700]

Idioms and Phrases with pin down (2 of 2)

In addition to the idioms beginning with pin

pin back one's ears
pin down
pin money
pin on
pin one's heart on
pin one's hopes on
pin someone's ears back

also see:

hear a pin drop
on pins and needles

BROWSE DICTIONARY

Learning

pin

noun

verb (used with object), pinned, pin·ning.

verb (used without object), pinned, pin·ning.

Verb Phrases

Idioms for pin

Origin of pin

SYNONYMS FOR pin

OTHER WORDS FROM pin

Words nearby pin

British Dictionary definitions for pin down (1 of 3)

verb (tr, adverb)

British Dictionary definitions for pin down (2 of 3)

n acronym for

British Dictionary definitions for pin down (3 of 3)

noun

verb pins, pinning or pinned (tr)

Word Origin for pin

Medical definitions for pin down

n.

v.

Idioms and Phrases with pin down (1 of 2)

Idioms and Phrases with pin down (2 of 2)

BROWSE DICTIONARY

Learning

pin

noun

verb (used with object), pinned, pin·ning.

verb (used without object), pinned, pin·ning.

Verb Phrases

Idioms for pin

Origin of pin

SYNONYMS FOR pin

OTHER WORDS FROM pin

Words nearby pin

Words related to pin down

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verb (tr, adverb)

British Dictionary definitions for pin down (2 of 3)

n acronym for

British Dictionary definitions for pin down (3 of 3)

noun

verb pins, pinning or pinned (tr)

Word Origin for pin

Medical definitions for pin down

n.

v.

Idioms and Phrases with pin down (1 of 2)

Idioms and Phrases with pin down (2 of 2)

British Dictionary definitions for pin down (1 of 3)