Trapezoid

Pronunciation

• enPR: tră'pÉ™zoid, IPA: /ˈtɹæpÉ™zɔɪd/

Origin

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

Full definition of trapezoid

Noun

1. (geometry) A (convex) quadrilateral with two (non-adjacent) parallel sides.
2. (anatomy) The trapezoid bone of the wrist.
3. (geometry, British, obsolete) A convex quadrilateral with no sides parallel and no equal sides.

Synonyms

• (geometry, convex quadrilateral with two non-adjacent parallel sides) British trapezium
• (geometry, (obsolete) convex quadrilateral with no parallel sides) irregular quadrilateral, US trapezium

Derived terms

• trapezoidal