SG Heritage Dictionary

Trapezium [Noun] Webster's Dictionary 1828

1. plural trapezia or trapeziums. [Latin from Gr. a little table.]

2. In geometry, a plane figure contained under four unequal right lines, none of them parallel.

3. In anatomy, a bone of the carpus.

Trapezium [Noun] Webster's Dictionary 1913

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.

3. 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.

Trapeziums [Plural] Webster's Dictionary 1913

of Trapezium