Trapezium

Trapezium
Trapezium Tra*pe"zi*um, n.; pl. E. {Trapeziums}, L. {Trapezia}. [NL., fr. Gr. ? a little table, an irregular four-sided figure, dim. of ? a table, for ?; ? (see {Tetra-}) + ? foot, akin to ? foot; hence, originally, a table with four feet. See {Foot}.] 1. (Geom.) A plane figure bounded by four right lines, of which no two are parallel. [1913 Webster]

2. (Anat.) (a) A bone of the carpus at the base of the first metacarpal, or thumb. (b) A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • trapezium — 1560s, from L.L. trapezium, from Gk. trapezion irregular quadrilateral, lit. a little table, dim. of trapeza table, from tra four (see FOUR (Cf. four)) + peza foot, edge, related to pous (see FOOT (Cf …   Etymology dictionary

  • trapezium — [trə pē′zē əm, trapē′zē əm] n. pl. trapeziums or trapezia [trə pē′zēə, tra pē′zēə] [LL < Gr trapezion, trapezium, lit., small table, dim. of trapeza, table, lit., four footed bench < tra , for tetra, FOUR + peza, foot; akin to pous, FOOT] 1 …   English World dictionary

  • trapezium — ► NOUN (pl. trapezia or trapeziums) Geometry 1) Brit. a quadrilateral with one pair of sides parallel. 2) N. Amer. a quadrilateral with no sides parallel. ORIGIN Latin, from Greek trapeza table …   English terms dictionary

  • Trapezium — The word trapezium has several meanings:* The quadrilateral also known as the trapezoid (having one pair of parallel sides) * The quadrilateral having no parallel sides (USA only) * Trapezium (bone), a bone in the wrist * Trapezium (astronomy), a …   Wikipedia

  • trapezium — UK [trəˈpiːzɪəm] / US [trəˈpɪzɪəm] noun [countable] Word forms trapezium : singular trapezium plural trapeziums or trapezia maths British a shape with four straight sides, two of which are parallel. The American word is trapezoid …   English dictionary

  • trapezium — 1. A four sided geometrical figure having no two sides parallel. 2. SYN: t. bone. [G. trapezion, a table or counter, a t., dim. of trapeza, a table, fr. tra (= tetra ), four, + pous (pod ), foot] * * * tra·pe·zi·um trə pē zē əm, tra n, pl zi·ums …   Medical dictionary

  • trapezium — tra|pe|zi|um [trəˈpi:ziəm] n technical [Date: 1500 1600; : Modern Latin; Origin: Greek trapezion small table, trapezium , from trapeza table , from tra four + peza foot ] 1.) BrE a shape with four sides, only two of which are parallel 2.) …   Dictionary of contemporary English

  • trapezium —    A quadrilateral having no parallel sides. The plural form can be either trapeziums or trapezia. Trapezium is sometimes used as a synonym for trapezoid, especially by Britons. Also see parallelogram, polygon, rectangle, rhombus, and square …   Glossary of Art Terms

  • trapezium — /trəˈpiziəm / (say truh peezeeuhm) noun (plural trapeziums or trapezia /trəˈpiziə/ (say truh peezeeuh)) 1. Also, trapeze. Geometry a. (as originally used by Euclid) any rectilinear quadrilateral plane figure not a parallelogram. b. a quadrilatera …  

  • trapezium —   n. (pl. ia) quadrilateral with two parallel sides; any irregular quadrilateral;   American, trapezoid.    ♦ trapezial,    ♦ trapeziform, a.    ♦ trapezoid, n. quadrilateral with no sides parallel; American, trapezium …   Dictionary of difficult words

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