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Definition of trapezoidal

trapezoidal

/ˌtræp.əˈzɔɪ.dəl/
trap · e · zoi · dal

Adverb:trapezoidally
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trapezoidal Lexical Profile

trapezoidal Game Scores & Validity

• adjective

1

Having the shape or characteristics of a trapezoid; four-sided with two parallel sides of unequal length (in North American usage) or with no parallel sides (in British usage).

Example

"The architect designed the museum with large trapezoidal windows that angled upward toward the roof."


2

Relating to or denoting the trapezoid bone of the wrist or the trapezius muscle of the upper back.

Example

"The physical therapist recommended targeted stretches to relieve tension in the patient's trapezoidal region."

Synonyms
View all synonyms for trapezoidal

Word Nuance & Usage

Because 'trapezoid' has opposite meanings in North American and British geometry (four-sided figure with one pair of parallel sides vs. no parallel sides), 'trapezoidal' inherits the same regional distinction in technical contexts.

• Rhymes for trapezoidal

Word Origin & Etymology

Formed in English from 'trapezoid' plus the adjectival suffix '-al', ultimately tracing back to Ancient Greek 'trapezion' ('little table'), a diminutive of 'trapeza' ('table', literally 'four-footed').

Cite this Entry


Wordmom. (2026). Definition of Trapezoidal. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/trapezoidal
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