nasal cavity nasal canthus • nasal concha · · · Info · Definitions · Characters · · nasal cavity · · Text Common · · Latin · · Scripts 12 · · Length 5 · · Syllables Definitions · · · (noun) either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx. Synonyms: nasal cavity. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079