any of a number of tropical vines of the genus Dioscorea many having edible tuberous roots
source: WordNet 3.0
sweet potato with deep orange flesh that remains moist when baked
source: WordNet 3.0
edible tuberous root of various yam plants of the genus Dioscorea grown in the tropics world-wide for food
source: WordNet 3.0
A large, esculent, farinaceous tuber of various climbing plants of the genus Dioscorea; also, the plants themselves. Mostly natives of warm climates. The plants have netted-veined, petioled leaves, and pods with three broad wings. The commonest species is D. sativa, but several others are cultivated.
source: Webster 1913
Any one of several cultural varieties of the sweet potato.