1. an edible fungus with a broadly convex blackish brown cap and a pore surface that is yellow when young and darkens with age; stalk is thick and enlarges toward the base;
WordNet (r) 3.0 (2006):
Boletus pulverulentus
n 1: an edible fungus with a broadly convex blackish brown cap
and a pore surface that is yellow when young and darkens
with age; stalk is thick and enlarges toward the base