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Noun: trapezoid  'tra-pi,zoyd
  1. [N. Amer] A quadrilateral with two parallel sides
    - trapezium [Brit]
  2. The wrist bone between the trapezium and the capitate bones
    - trapezoid bone, os trapezoideum
  3. [Brit] A quadrilateral with no parallel sides
    - trapezium [N. Amer]

Derived forms: trapezoids

Type of: carpal, carpal bone, quadrangle, quadrilateral, tetragon, wrist bone

Encyclopedia: Trapezoid