quadrilateral

[ kwod-ruh-lat-er-uh l ]
/ ˌkwɒd rəˈlæt ər əl /
SEE SYNONYMS FOR quadrilateral ON THESAURUS.COM

adjective

having four sides.

noun

a plane figure having four sides and four angles.
something of this form.
Geometry.
  1. a figure formed by four straight lines that have six points of intersection.
  2. a polygon with four sides.
the space enclosed between and defended by four fortresses.

Origin of quadrilateral

1640–50; < Latin quadrilater(us) four-sided + -al1. See quadri-, lateral

OTHER WORDS FROM quadrilateral

quad·ri·lat·er·al·ly, adverb quad·ri·lat·er·al·ness, noun

Words nearby quadrilateral

quadrigatus, quadrigeminal, quadrigeminal body, quadrigeminal rhythm, quadrigeminum, quadrilateral, quadrilingual, quadriliteral, quadrille, quadrillion, quadrinomial

Words related to quadrilateral

square, rectangle, parallelogram, rhombus

Example sentences from the Web for quadrilateral

British Dictionary definitions for quadrilateral

quadrilateral
/ (ˌkwɒdrɪˈlætərəl) /

adjective

having or formed by four sides

noun

Also called: tetragon a polygon having four sides. A complete quadrilateral consists of four lines and their six points of intersection

Scientific definitions for quadrilateral

quadrilateral
[ kwŏd′rə-lăt′ər-əl ]

A polygon that has four sides, such as a rectangle or rhombus.