Standard Lemma guide

trapezoidal

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • rhymes with -ɔɪdəl

1

adj

Meaning 1

In the shape of a trapezoid, or having some faces which have one pair of parallel sides.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of or pertaining to the trapezoid bone of the wrist.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

resembling a trapezoid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *tr̥- Proto-Indo-European *ped- Proto-Indo-European *-s Proto-Indo-European *pṓds Proto-Indo-European *-is Proto-Indo-European *-h2 Proto-Indo-European *-ih2 Proto-Indo-European *tr̥-ped-ih2-der. Ancient Greek τρᾰ́πεζα (trắpeza) Ancient Greek -ο- (-o-) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek τρᾰπεζοειδής (trăpezoeidḗs)bor. New Latin trapezoïdēslbor. English trapezoid English -al English trapezoidal From trapezoid + -al.

Across languages

Translations

7 source translations are retained for this English entry.

  • Catalan: trapezoïdal — in the shape of a trapezoid
  • Czech: lichoběžníkový — in the shape of a trapezoid
  • Galician: trapezoide — in the shape of a trapezoid
  • German: trapezförmig — in the shape of a trapezoid
  • Polish: trapezoidalny — in the shape of a trapezoid
  • Romanian: trapezoidal — in the shape of a trapezoid
  • Spanish: trapezoidal — in the shape of a trapezoid
Real reading context

trapezoidal in complete knowledge articles