Urticaceae urticaceae • urticaceous · · · Info · Definitions · Characters · · Urticaceae · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) a family of plants of order Urticales including many nettles with stinging hairs. Synonyms: family Urticaceae, nettle family. · · Noun Definition 1 Characters · · U latin capital letter u U+0055 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074