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We found 11 dictionaries with English definitions that include the word gnathostoma: Click on the first link on a line below to go directly to a page where "gnathostoma" is defined. General (8 matching dictionaries) gnathostoma: Wordnik [home, info] Gnathostoma: Dictionary.com [home, info] Gnathostoma (disambiguation), Gnathostoma (nematoda), Gnathostoma: Wikipedia, the Free Encyclopedia [home, info] Gnathostoma: Online Plain Text English Dictionary [home, info] gnathostoma: Webster's Revised Unabridged, 1913 Edition [home, info] Gnathostoma: AllWords.com Multi-Lingual Dictionary [home, info] gnathostoma: Free Dictionary [home, info] Gnathostoma: Dictionary/thesaurus [home, info] Medicine (3 matching dictionaries) Gnathostoma: Medical Dictionary [home, info] gnathostoma: online medical dictionary [home, info] Gnathostoma (nematoda), Gnathostoma: Medical dictionary [home, info]

Quick definitions (gnathostoma) (n. pl.) A comprehensive division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them. (This definition is from the 1913 Webster's Dictionary and may be outdated.)