trapezium

play
noun tra·pe·zi·um \trə-ˈpē-zē-əm, tra-\

Definition of trapezium

plural

trapeziums

or

trapezia

play \-zē-ə\
  1. 1a :  a quadrilateral with no parallel sidesb British :  trapezoid 1a

  2. 2 :  a bone in the wrist at the base of the metacarpal of the thumb

Origin and Etymology of trapezium

New Latin, from Greek trapezion, literally, small table, diminutive of trapeza table, from tra- four (akin to tettares four) + peza foot; akin to Greek pod-, pous foot — more at four, foot


First Known Use: 1570


TRAPEZIUM Defined for English Language Learners

trapezium

play
noun tra·pe·zi·um \trə-ˈpē-zē-əm, tra-\

Definition of trapezium for English Language Learners

  • : a four-sided shape that has no parallel sides


Medical Dictionary

trapezium

play
noun tra·pe·zi·um \trə-ˈpē-zē-əm, tra-\

Medical Definition of trapezium

plural

trapeziums

or

trapezia

\-zē-ə\play
  1. :  a bone in the distal row of the carpus at the base of the thumb—called also greater multangular

Illustration of trapezium

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