Source : Webster's Revised Unabridged Dictionary (1913)

Porites \Po*ri"tes\, n. [NL., fr. Gr. po`ros a pore.] (Zo["o]l.)
   An important genus of reef-building corals having small
   twelve-rayed calicles, and a very porous coral. Some species
   are branched, others grow in large massive or globular forms.