Any of various fleshy, ascomycetous, edible fungi, chiefly of the genus Tuber, that grow underground on or near the roots of trees and are valued as a delicacy.
Any of various chocolate confections, especially one made of a mixture including chopped nuts, rolled into balls and covered with cocoa powder.
[Alteration of French trufe, from Old French, from Old Provençal trufa, from Vulgar Latin *tūfera, truffles, from dialectal variant of Latin tūber, lump; see teuə- in Indo-European roots.] truf'fled adj.