tridacna | sense examples, Usage and Definition from wordnet dictionary online

Noun tridacna has 1 sense

Tridacna, genus Tridacna - type genus of the family Tridacnidae: giant clams
--₁ is a kind of mollusk genus
--₁ is a member of Tridacnidae, family Tridacnidae
--₁ has members: giant clam, Tridacna gigas