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

Examples of yam in a Sentence

Recent Examples on the Web
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Visitors help the staff dig and build a traditional imu underground with volcanic rocks, banana stumps, ti leaves and burlap sacks, and then fill the pit with mea ʻai staples like kālua pork, chicken, taro, yams and breadfruit. Joe Yogerst, Forbes.com, 28 May 2026 The company’s partners now include Sun World for pitless cherries, Mars for cacao research, Enza Zaden for vegetable breeding, and nonprofits like the International Institute of Tropical Agriculture for yam production optimization. Time Contributors, Time, 28 Apr. 2026 And those yams aren’t bad either. Selome Hailu, Variety, 24 Apr. 2026 At Hikari, the chefs include yams and a paste made of scallops, which imbue a slight sweetness and umami to the egg dish. Camila Pedrosa, Sacbee.com, 8 Apr. 2026 See All Example Sentences for yam

Word History

Etymology

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

First Known Use

1657, in the meaning defined at sense 1

Time Traveler
The first known use of yam was in 1657

Browse Nearby Words

Cite this Entry

“Yam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yam. Accessed 5 Jun. 2026.

Kids Definition

yam

noun
1
: an edible starchy root that is an important food in tropical areas
also : a plant producing yams
2
: a sweet potato with moist usually orange flesh

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