cannula cannot • cannular · · · Info · Definitions · Characters · · cannula · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a small flexible tube inserted into a body cavity for draining off fluid or introducing medication. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 l latin small letter l U+006C n latin small letter n U+006E u latin small letter u U+0075