'Boletus' definitions:

Definition of 'Boletus'

From: WordNet
noun
Type genus of Boletaceae; genus of soft early-decaying pore fungi; some poisonous and some edible [syn: Boletus, genus Boletus]

Definition of 'Boletus'

From: GCIDE
  • Boletus \Bo*le"tus\, n. [L. boletus, Gr. ?.] (Bot.) A genus of fungi having the under side of the pileus or cap composed of a multitude of fine separate tubes. A few are edible, and others very poisonous. [1913 Webster] Boley