giant clam giant chinkapin • giant cockroach · · · Info · Definitions · Synonyms · Characters · · giant clam · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds. Synonyms: giant clam, Tridacna gigas. · · Noun Definition 1 Synonyms · · · tridacna gigas · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074