A large edible mushroom (Boletus edulis) widely distributed in woodlands, having a thick rounded brown cap.
Origin of porcini-mushroom
- Italian porcini plur. of porcino porcini mushroom short for fungo porcino porcini mushroom fungo mushroom porcino porcine (from Latin porcīnus porcine)
From American Heritage Dictionary of the English Language, 5th Edition