Lexic.us

Definition of Os trapezium

1. Noun. The wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals.

Medical Definition of Os 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. A plane figure bounded by four right lines, of which no two are parallel. 2. A bone of the carpus at the base of the first metacarpal, or thumb. 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 fibres. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Os Trapezium

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