Trapezoid Definition
trăpĭ-zoid
trapezoids
noun
trapezoids
A plane figure with four sides, only two of which are parallel.
Webster's New World
A trapezium.
American Heritage
Webster's New World
A small bone of the wrist near the base of the index finger.
Webster's New World
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.
American Heritage
Synonyms:
- os trapezoideum
- trapezoid-bone
adjective
Shaped like a trapezoid.
Webster's New World
Other Word Forms of Trapezoid
Noun
Singular:
trapezoid
Plural:
trapezoidsOrigin of Trapezoid
-
Originally, 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 trapezium -oeidēs -oid
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek τραπέζιον (trapezion, “irregular quadrilateral", literally “a little table") + -oid (“resembling").
From Wiktionary
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