yam

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noun \ˈyam\

Definition of yam

  1. 1 :  the edible starchy tuberous root of various plants (genus Dioscorea of the family Dioscoreaceae) used as a staple food in tropical areas; also :  a plant producing yams

  2. 2 :  a moist usually orange-fleshed sweet potato

Origin and Etymology of yam

earlier iname, from Portuguese inhame & Spanish ñame, of African origin; akin to Fulani nyami to eat


First Known Use: 1657


YAM Defined for English Language Learners

yam

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noun \ˈyam\

Definition of yam for English Language Learners

  • : a long, thick root of a tropical plant that has rough brown skin and usually white or yellow flesh and that is eaten as a vegetable


YAM Defined for Kids

yam

play
noun \ˈyam\

Definition of yam for Students

  1. 1 :  the starchy thick underground tuber of a climbing plant that is an important food in many tropical regions

  2. 2 :  a sweet potato with a moist and usually orange flesh



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