| edible subterranean fungus of the genus Tuber | widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground |
| pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms | |
| a common European plant having edible tubers with the flavor of roasted chestnuts | |
| any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe | |