from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A yam species, Dioscorea bulbifera.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun yam of tropical Africa and Asia cultivated for it large tubers


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