- (n.) Any one of several cultural varieties of the sweet potato.
- (n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). yam. Retrieved September 23, 2026, from http://smartdefine.org/yam/definitions/2083032 |
| Chicago | Webster's. 2011. "yam" http://smartdefine.org/yam/definitions/2083032 (accessed September 23, 2026). |
| Harvard | Webster's 2011, yam, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/yam/definitions/2083032>. |
| MLA | Webster's. "yam" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/yam/definitions/2083032> |