Spirillaceae spirilla • spirillaceous · · · Info · Definitions · Characters · · Spirillaceae · · Text Latin · · Script 12 · · Length Definitions · · · (noun) rigid spirally curved elongate bacteria. Synonyms: family Spirillaceae. · · Noun Definition 1 Characters · · S latin capital letter s U+0053 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 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072