Standard Lemma guide
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
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noun
Quadrilateral.
Definition source: English Wiktionary via Wiktextract
Usage: rare
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An aspect of two planets with regard to the Earth when they are distant from each other ninety degrees, or a quarter-circle.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a four-sided polygon
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: quadrilateral, quadrangle
Antonyms: none provided
Broader terms: polygon, polygonal shape
Narrower terms: parallelogram, trapezium, trapezoid
History
From Ancient Greek τετράγωνος (tetrágōnos). By surface analysis, tetra- + -gon.
