spirulidae spirulate • spiry · · · Info · Definitions · Characters · · spirulidae · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications. Synonyms: Spirulidae, family Spirulidae. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 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 s latin small letter s U+0073 u latin small letter u U+0075