Dictionary
17 ENTRIES FOUND:

yam

noun \ˈyam\

: 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

Full Definition of YAM

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
:  a moist usually orange-fleshed sweet potato

Origin of YAM

earlier iname, from Portuguese inhame & Spanish ñame, of African origin; akin to Fulani nyami to eat
First Known Use: 1657

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