trapezoid

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

• (Received Pronunciation) IPA^(key): /ˈtɹæpəzɔɪd/, /trəˈpiːzɔɪd/
• enPR: tră'pəzoid, (General American) IPA^(key): /ˈtɹæpəzɔɪd/

• Audio (General Australian):

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trapezoid (plural trapezoids)

1. (geometry, US, Canada) A (convex) quadrilateral with two (non-adjacent) parallel sides.
   • 2023, Brandon Taylor, The Late Americans, Jonathan Cape, page 178:

     There was a trapezoid of light on his shoulder, some bright fragment torn from a greater plane.

2. (geometry, British, Australia, New Zealand) A convex quadrilateral with no sides parallel.
3. (anatomy) The trapezoid bone of the wrist.
4. (ice hockey) The marked trapezoidal area immediately behind the goal line and the goal itself within which the goaltender may touch the puck.

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

Borrowed from English trapezoid.

• (Standard Indonesian) IPA^(key): /trapeˈzoid/ [t̪ra.peˈzo.ɪt̪̚]
• Syllabification: tra‧pe‧zoid

trapezoid (plural trapezoid-trapezoid)

1. trapezoid (a convex quadrilateral with no sides parallel)

• “trapezoid” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• IPA^(key): /tra.pɛˈzɔ.it/
• Rhymes: -ɔit
• Syllabification: tra‧pe‧zo‧id

trapezoid m inan (related adjective trapezoidalny)

1. (geometry) trapezium, trapezoid (quadrilateral with two sides parallel and two sides non-parallel)

• trapezoid in Polish dictionaries at PWN

Borrowed from French trapézoïde. By surface analysis, trapez +‎ -oid.

trapezoid n (plural trapezoide)

1. trapezoid

From New Latin trapezoides.

• IPA^(key): /trapezǒiːd/
• Hyphenation: tra‧pe‧zo‧id

trapezòīd m animacy unspecified (Cyrillic spelling трапезо̀ӣд)

1. trapezium

• “trapezoid”, in Hrvatski jezični portal [Croatian language portal] (in Serbo-Croatian), 2006–2025