trapezium bone

/trəˌpiziəm boʊn/
IPA guide

Definitions of trapezium bone
  1. noun
    the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
    synonyms: os trapezium, trapezium
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    type of:
    carpal, carpal bone, wrist bone
    any of the eight small bones of the wrist of primates
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