watercannon water caltrop • water cannon · · · Info · Definitions · Synonyms · Characters · · watercannon · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) a hose (carried on a truck) that fires water under high pressure to disperse crowds (especially crowds of rioters). Synonyms: water cannon. · · Noun Definition 1 Synonyms · · · water cannon · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077