tail fin
noun
Automotive.
See under fin1(def 7).
Origin of tail fin
First recorded in 1675–85
Words nearby tail fin
tail coat,
tail cone,
tail covert,
tail end,
tail fan,
tail fin,
tail fold,
tail gate,
tail off,
tail out,
tail plane
Definition for tail fin (2 of 2)
fin
1
[ fin ]
/ fɪn /
noun
verb (used with object), finned, fin·ning.
to cut off the fins from (a fish); carve or cut up, as a chub.
to provide or equip with a fin or fins.
verb (used without object), finned, fin·ning.
to move the fins; lash the water with the fins, as a whale when dying.
Origin of fin
1
before 1000; Middle English, Old English
finn; cognate with Dutch
vin, Low German
finne; akin to Swedish
fena
OTHER WORDS FROM fin
fin·less, adjective fin·like, adjectiveExample sentences from the Web for tail fin
British Dictionary definitions for tail fin (1 of 4)
Fin
abbreviation for
Finland
Finnish
British Dictionary definitions for tail fin (2 of 4)
FIN
abbreviation for
Finland (international car registration)
British Dictionary definitions for tail fin (3 of 4)
fin
1
/ (fɪn) /
noun
verb fins, finning or finned
Derived forms of fin
finless, adjectiveWord Origin for fin
Old English
finn; related to Middle Dutch
vinne, Old Swedish
fina, Latin
pinna wing
British Dictionary definitions for tail fin (4 of 4)
fin
2
/ (fɪn) /
noun
US slang
a five-dollar bill
Word Origin for fin
from Yiddish
finf five, ultimately from Old High German
funf, finf
Scientific definitions for tail fin
fin
[ fĭn ]
One of the winglike or paddlelike parts of a fish, dolphin, or whale that are used for propelling, steering, and balancing in water.