giant \gi"ant\, a.
   like a giant; extraordinary in size, strength, or power; as,
   giant brothers; a giant son.
   1913 webster

   giant cell. anat. see myeloplax.

   giant clam zool., 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 zool., a very large african heron ardeomega
      goliath. it is the largest heron known.

   giant kettle, a pothole of very large dimensions, as found
      in norway in connection with glaciers. see pothole.

   giant powder. see nitroglycerin.

   giant puffball bot., a fungus lycoperdon giganteum,
      edible when young, and when dried used for stanching
      wounds.

   giant salamander zool., a very large aquatic salamander
      megalobatrachus maximus, found in japan. it is the
      largest of living amphibia, becoming a yard long.

   giant squid zool., one of several species of very large
      squids, belonging to architeuthis and allied genera.
      some are over forty feet long.
      1913 webster
see also:
giant cell myeloplax giant clam tridacna t. gigas giant heron 
ardeomega goliath giant kettle pothole giant powder nitroglycerin 
giant puffball lycoperdon giganteum giant salamander megalobatrachus maximus giant squid 
architeuthis