[ noun ] type genus of Boletaceae; genus of soft early-decaying pore fungi; some poisonous and some edible <noun.plant>
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.