Medical Dictionary

trapezoid

noun trap·e·zoid \ˈtrap-ə-ˌzid\

Medical Definition of TRAPEZOID

:  a bone in the distal row of the carpus at the base of the index finger—called also lesser multangular, trapezoid bone, trapezoideum

Illustration of TRAPEZOID

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears