air potato

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air potato

n.
A tropical yam (Dioscorea bulbifera) of Africa and Asia, having axillary potatolike bulbils and underground tubers, both of which are edible in some varieties. It is a destructive weed in the southeast United States. Also called potato yam.
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Noun1.air potato - yam of tropical Africa and Asia cultivated for it large tubersair potato - yam of tropical Africa and Asia cultivated for it large tubers
yam plant, yam - any of a number of tropical vines of the genus Dioscorea many having edible tuberous roots