'Pluteus' definitions:

Definition of 'Pluteus'

(from WordNet)
noun
A large genus of fungi belonging to the family Pluteaceae; the shape of the cap resembles a roof; often abundant early in the summer [syn: Pluteus, genus Pluteus, roof mushroom]

Definition of 'Pluteus'

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]