truf·fle /ˈtrʌfəl, ˈtru-/
  塊菌
  Truf·fle n.  Any one of several kinds of roundish, subterranean fungi, usually of a blackish color. The French truffle (Tuber melanosporum) and the English truffle (Tuber aestivum) are much esteemed as articles of food.
  Truffle worm Zool., the larva of a fly of the genus Leiodes, injurious to truffles.
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  truffle
       n 1: any of various highly prized edible subterranean fungi of
            the genus Tuber; grow naturally in southwestern Europe
            [syn: earthnut, earth-ball]
       2: edible subterranean fungus of the genus Tuber [syn: earthnut]
       3: creamy chocolate candy [syn: chocolate truffle]