trapezoid

English dictionary entry

Meanings

noun

A (convex) quadrilateral with two (non-adjacent) parallel sides.
A convex quadrilateral with no sides parallel.
The trapezoid bone of the wrist.
The marked trapezoidal area immediately behind the goal line and the goal itself within which the goaltender may touch the puck.

/ˈtɹæpəzɔɪd/ /trəˈpiːzɔɪd/ tră'pəzoid en-au-trapezoid.ogg

trapezoid trapezoids

From Ancient Greek τραπέζιον (trapézion, “irregular quadrilateral”, literally “a little table”) + -oid (“resembling”).

trapezium irregular quadrilateral

Ames trapezoid isosceles trapezoid right trapezoid trapezoidal trapezoid rule

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