GIANT a.
ary in size, strength, or power; as, giant brothers; a giant son. Giant cell. (Anat.) See Myeloplax. -- Giant clam (Zoöl.), a bivalve shell of the genus Tridacna, esp. T. gigas, which sometimes weighs 500 pounds. The shells are sometimes used in churches to contain holy water. -- Giant heron (Zoöl.), a very large Afr…