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Meaning of TRAPEZIUM

Pronunciation:  tru'peezeeum

WordNet Dictionary
  1. [n]  the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
  2. [n]  a multiple star in the constellation of Orion
  3. [n]  (in US) a quadrilateral with no parallel sides

TRAPEZIUM is a 9 letter word that starts with T.


 Synonyms: os trapezium, the Trapezium, trapezium bone
 Antonyms: parallelogram
 See Also: carpal, carpal bone, multiple star, quadrangle, quadrilateral, tetragon, wrist bone



Webster's 1913 Dictionary
\Tra*pe"zi*um\, n.; pl. E. {Trapeziums}, L.
{Trapezia}. [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. (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.