WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / T / tridacna gigas tridacna gigas noun 14 letters Scrabble 18 WWF 22 Definitions noun a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds giant clam Look “tridacna gigas” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →