trapezium

1. n. A plane figure bounded by four right lines, of which no two are parallel. Source: opted

2. n. A bone of the carpus at the base of the first metacarpal, or thumb. Source: opted

3. n. 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: opted

4. n. a multiple star in the constellation of Orion Source: wordnet

5. n. a quadrilateral with no parallel sides Source: wordnet

6. n. the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals Source: wordnet

7. 1. (Geom.) 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

8. A plane figure bounded by four right lines, of which no two areparallel. Source: adambom

9. n. a quadrilateral with no parallel sides n. a multiple star in the constellation of Orion n. the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals Source: ecdict

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