- The definition of a trapezoid is a shape with four sides, only two of which are parallel.
An example of a trapezoid is the base of a pyramid when the top is flat and there is not a point.
- a plane figure with four sides, only two of which are parallel
- Brit. trapezium (sense )
- Anat. a small bone of the wrist near the base of the index finger
Origin of trapezoidModern Latin trapezoides ; from Classical Greek trapezoeides, shaped like a trapezoid: see trapezium and amp; -oid
- Mathematics a. A quadrilateral having two parallel sides.b. Chiefly British A trapezium.
- Anatomy A small bone in the wrist, situated near the base of the index finger.
- Sports An area in the shape of a trapezoid marked behind the goal line and the goal in ice hockey, where the goalie is allowed to play the puck.
Origin of trapezoidOriginally, a quadrilateral with no parallel sides (later confused with trapezium, originally, a quadrilateral with two parallel sides), from New Latin trapezoīdēs, a quadrilateral with no parallel sides, from Late Greek trapezoeidēs, from Greek table-shaped : trapeza, table; see trapezium + -oeidēs, -oid.
- trap′e·zoid′, trap′e·zoi′dal
From Ancient Greek τραπέζιον (trapezion, “irregular quadrilateral”, literally “a little table”) + -oid (“resembling”).