Meaning

noun any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe

noun edible subterranean fungus of the genus Tuber

noun creamy chocolate candy

originBorrowed from French trufle, a variant of truffe (whence also Danish and Norwegian trøffel, Swedish tryffel, German Trüffel), from Old Occitan trufa, a metathesis of Late Latin tufera (plural), from Latin tūber (“truffle”).

Etymology from Wiktionary, CC BY-SA 3.0