the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Asiphonida > family Ostreidae > member of (oyster) > that grows in particular place or way (3)
any of various edible oysters found attached to rocks; esp. Pacific oysters of the genera Saccostrea and Crassostrea.
an oyster found upon the roots of the mangrove.
a wild oyster which grows in clusters.