cardiidae cardigan welsh corgi • cardin · · · Info · Definitions · Characters · · cardiidae · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) somewhat heart-shaped sand-burrowing bivalve mollusks. Synonyms: Cardiidae, family Cardiidae. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072