TRAPEZIA

TRAPEZIUM

trapezium, trapezium bone, os trapezium

(noun) the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals

Trapezium

(noun) a multiple star in the constellation of Orion

trapezium

(noun) a quadrilateral with no parallel sides

Source: WordNet® 3.1

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Noun

trapezia

plural of trapezium

Source: Wiktionary

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TRAPEZIUM

Tra*pe"zi*um, n.; pl. E. Trapeziums, L. Trapezia. Etym: [NL., fr. Gr. Tetra-) + Foot.]

1. (Geom.)

Definition: A plane figure bounded by four right lines, of which no two are parallel.

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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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