trapezoid

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trapezoid

trap·e·zoid

 (trăp′ĭ-zoid′)
n.
1. Mathematics
a. A quadrilateral having two parallel sides.
b. Chiefly British A trapezium.
2. Anatomy A small bone in the wrist, situated near the base of the index finger.
3. Sports An area in the shape of a trapezoid marked behind the goal line and the goal in ice hockey, where the goalie is allowed to play the puck.

[Originally, a quadrilateral with no parallel sides (later confused with trapezium, originally, a quadrilateral with two parallel sides), from New Latin trapezoīdēs, a quadrilateral with no parallel sides, from Late Greek trapezoeidēs, from Greek table-shaped : trapeza, table; see trapezium + -oeidēs, -oid.]

trap′e·zoid′, trap′e·zoi′dal (-zoid′l) adj.

trapezoid

(ˈtræpɪˌzɔɪd)
n
1. (Mathematics) a quadrilateral having neither pair of sides parallel
2. (Mathematics) Also called: trapezium (Brit, Austral., NZ, and South African)US and Canadian a quadrilateral having two parallel sides of unequal length
3. (Anatomy) a small bone of the wrist near the base of the index finger
[C18: from New Latin trapezoidēs, from Late Greek trapezoeidēs trapezium-shaped, from trapeza table]

trap•e•zoid

(ˈtræp əˌzɔɪd)

n.
1.
a. a quadrilateral plane figure having two parallel and two nonparallel sides.
2. the mammalian wrist bone that articulates with the metacarpal of the second digit or forefinger.
adj.
3. Also, trap`e•zoi′dal. of, pertaining to, or having the form of a trapezoid.
[1695–1705; < New Latin trapezoīdēs < Late Greek trapezoeidḗs trapeziumlike. See trapezium, -oid]
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trapezoid

trap·e·zoid

(trăp′ĭ-zoid′)
A four-sided figure having two parallel sides.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trapezoid - a quadrilateral with two parallel sidestrapezoid - a quadrilateral with two parallel sides
U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
quadrangle, quadrilateral, tetragon - a four-sided polygon
2.trapezoid - the wrist bone between the trapezium and the capitate bonestrapezoid - the wrist bone between the trapezium and the capitate bones
carpal, carpal bone, wrist bone - any of the eight small bones of the wrist of primates
Translations
lichoběžník
trapez
trapezio
iso monikulmaluunelikulmiopuolisuunnikas
általános négyszögtrapezoid

trapezoid

[ˈtræpɪzɔɪd] N (Math) → trapezoide m

trapezoid

n (Brit) → Trapezoid nt; (US) → Trapez nt