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Definition of Trapezium
1. Noun. A quadrilateral with no parallel sides.
Generic synonyms: Quadrangle, Quadrilateral, Tetragon
Antonyms: Parallelogram
2. Noun. A multiple star in the constellation of Orion.
3. Noun. The wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals.
Definition of Trapezium
1. n. A plane figure bounded by four right lines, of which no two are parallel.
Definition of Trapezium
1. Noun. (context: geometry British) A four-sided polygon with two sides parallel; a trapezoid (modern sense) ¹
2. Noun. (context: geometry US) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral. ¹
3. Noun. A bone of the carpus at the base of the first metacarpal, or thumb. ¹
4. Noun. 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. ¹
¹ Source: wiktionary.com
Definition of Trapezium
1. a four-sided polygon having no parallel sides [n -ZIA or -ZIUMS]
Medical Definition of Trapezium
1.
Origin: 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.