Dictionary

giant clam

noun

Definition of GIANT CLAM

:  a very large clam (Tridacna gigas) found on the coral reefs of the Indian and Pacific oceans that sometimes weighs more than 500 pounds (227 kilograms)
ADVERTISEMENT

First Known Use of GIANT CLAM

circa 1889

Browse

Next Word in the Dictionary: giant cloverPrevious Word in the Dictionary: giant chinquapinAll Words Near: giant clam
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears