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We found 41 dictionaries with English definitions that include the word quadrilateral: Click on the first link on a line below to go directly to a page where "quadrilateral" is defined. General (30 matching dictionaries) quadrilateral: American Heritage Dictionary of the English Language [home, info] quadrilateral: Collins English Dictionary [home, info] quadrilateral: Vocabulary.com [home, info] quadrilateral: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Quadrilateral, quadrilateral: Wordnik [home, info] quadrilateral: Cambridge Advanced Learner's Dictionary [home, info] quadrilateral: Wiktionary [home, info] quadrilateral: Compact Oxford English Dictionary [home, info] quadrilateral: Webster's New World College Dictionary, 4th Ed. [home, info] quadrilateral: The Wordsmyth English Dictionary-Thesaurus [home, info] quadrilateral: Infoplease Dictionary [home, info] quadrilateral: Dictionary.com [home, info] quadrilateral (n.): Online Etymology Dictionary [home, info] quadrilateral: UltraLingua English Dictionary [home, info] Quadrilateral (disambiguation), Quadrilateral: Wikipedia, the Free Encyclopedia [home, info] Quadrilateral: Online Plain Text English Dictionary [home, info] quadrilateral: Webster's Revised Unabridged, 1913 Edition [home, info] quadrilateral: Rhymezone [home, info] Quadrilateral: AllWords.com Multi-Lingual Dictionary [home, info] quadrilateral: Webster's 1828 Dictionary [home, info] quadrilateral: Hutchinson's Dictionary of Difficult Words [home, info] Quadrilateral: 1911 edition of the Encyclopedia Britannica [home, info] quadrilateral: Free Dictionary [home, info] quadrilateral: Hutchinson Dictionaries [home, info] quadrilateral: Mnemonic Dictionary [home, info] quadrilateral: WordNet 1.7 Vocabulary Helper [home, info] quadrilateral: LookWAYup Translating Dictionary/Thesaurus [home, info] quadrilateral: Dictionary/thesaurus [home, info] Art (1 matching dictionary) quadrilateral: ArtLex Lexicon of Visual Art Terminology [home, info] Computing (1 matching dictionary) quadrilateral: Encyclopedia [home, info] Medicine (2 matching dictionaries) quadrilateral: online medical dictionary [home, info] quadrilateral: Medical dictionary [home, info] Science (7 matching dictionaries) Quadrilateral: A Glossary of Mathematical Terms [home, info] Quadrilateral: Eric Weisstein's World of Mathematics [home, info] quadrilateral: Botanical Terms [home, info] quadrilateral: MATH SPOKEN HERE! [home, info] Quadrilateral: The Orchid Lady's Illustrated Orchid Encyclopedia [home, info] quadrilateral: PlanetMath Encyclopedia [home, info] Quadrilateral: Glossary of Entomology [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (quadrilateral) ▸ noun:  a four-sided polygon ▸ adjective:  having four sides ▸ Word origin