trapezoid

Noun
  1. A quadrilateral with two parallel sides (synset 113904169)
    domain region: america, the states, u.s., u.s.a., united states, united states of america, us, usa - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
    is a type of: quadrangle, quadrilateral, tetragon - a four-sided polygon
  2. The wrist bone between the trapezium and the capitate bones (synset 105280572)
    is a type of: carpal, carpal bone, wrist bone - any of the eight small bones of the wrist of primates
    same as: os trapezoideum, trapezoid bone

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