trapezium

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Related to Trapesium: trapezium, trapezium bone
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trapezium

tra·pe·zi·um

 (trə-pē′zē-əm)
n. pl. tra·pe·zi·ums or tra·pe·zi·a (-zē-ə)
1. Mathematics
a. A quadrilateral having no parallel sides.
b. Chiefly British A trapezoid.
2. Anatomy A bone in the wrist at the base of the thumb.

[Originally, a quadrilateral with two parallel sides (later confused with trapezoid, originally, a quadrilateral having no parallel sides), from Modern Latin trapezium, a quadrilateral with two parallel sides, from Late Greek trapezion, from Greek, diminutive of trapeza, table : tra-, four; see kwetwer- in Indo-European roots + peza, foot; see ped- in Indo-European roots.]

trapezium

(trəˈpiːzɪəm)
n, pl -ziums or -zia (-zɪə)
1. (Mathematics) chiefly Brit a quadrilateral having two parallel sides of unequal length. Usual US and Canadian name: trapezoid
2. (Mathematics) chiefly US and Canadian a quadrilateral having neither pair of sides parallel
3. (Anatomy) a small bone of the wrist near the base of the thumb
[C16: via Late Latin from Greek trapezion, from trapeza table]
traˈpezial adj

tra•pe•zi•um

(trəˈpi zi əm)

n., pl. -zi•ums, -zi•a (-zi ə)
1.
a. (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram.
b. a quadrilateral plane figure of which no two sides are parallel.
2. the mammalian wrist bone that articulates with the metacarpal of the first digit or thumb.
[1545–55; < New Latin < Greek trapézion kind of quadrilateral, literally, small table, diminutive of trápeza table, shortening of *tetrapeza=tetra- four + -peza foot, akin to poús; see tetra-, foot]
tra•pe′zi•al, adj.

tra·pe·zi·um

(trə-pē′zē-əm)
A four-sided figure having no parallel sides.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trapezium - a quadrilateral with no parallel sidestrapezium - a quadrilateral with no 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
parallelogram - a quadrilateral whose opposite sides are both parallel and equal in length
2.trapezium - a multiple star in the constellation of OrionTrapezium - a multiple star in the constellation of Orion
multiple star - a system of three or more stars associated by gravity
3.trapezium - the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpalstrapezium - the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
carpal, carpal bone, wrist bone - any of the eight small bones of the wrist of primates
Translations

trapezium

[trəˈpiːzɪəm] N (trapeziums, trapezia (pl)) [trəˈpiːzɪə] (Math) → trapecio m

trapezium

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

trapezium

[trəˈpiːzɪəm] n (Geom) → trapezio