Definition of ostreaceous in English:

ostreaceous

adjective

rare
  • Of the nature of an oyster or oyster-shell; resembling or characteristic of an oyster; oyster-like.

Origin

Late 17th century; earliest use found in Ralph Cudworth (1617–1688), philosopher and theologian. From classical Latin ostrea oyster + -aceous, after crustaceous. Compare ostraceous.

Pronunciation

ostreaceous

/ˌɒstrɪˈeɪʃəs/