- any of several subterranean, edible, ascomycetous fungi of the genus Tuber.
- any of various similar fungi of other genera.
- a candy made of soft chocolate, shaped into a ball and dusted with cocoa, or sometimes a three-layered cube of light and dark chocolate.
- any of various edible saprotrophic ascomycetous subterranean fungi of the European genus Tuber . They have a tuberous appearance and are regarded as a delicacy
- a sweet resembling this fungus in shape, flavoured with chocolate or rum