'Pluteuses' definitions:

Definition of 'Pluteuses'

From: GCIDE
  • Pluteus \Plu"te*us\, n.; pl. L. Plutei, E. Pluteuses. [L., a shed.] (Zool.) The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods. [1913 Webster]