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sweet potato

American  

noun

  1. a plant, Ipomoea batatas, of the morning glory family, grown for its sweet, edible, tuberous roots.

  2. the root itself, used as a vegetable.

  3. Informal. ocarina.


sweet potato British  

noun

  1. a convolvulaceous twining plant, Ipomoea batatas, of tropical America, cultivated in the tropics for its edible fleshy yellow root

  2. the root of this plant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sweet potato

An Americanism dating back to 1740–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At his Queenstown food truck, more modern, European-influenced offerings include a chicken Hāngī burger, served with a potato spread, grated apple and watercress salad on a sweet potato bun.

From Salon Jul. 26, 2026

They’re vegetarians: They eat grass, alfalfa, cassava, sweet potato, carrots, beets, and, at the zoo, a commercial feed.

From Slate May 27, 2026

Maybe I’ll get like some gorgeous Japanese sweet potato cause I try to eat a sweet potato daily.

From Los Angeles Times May 22, 2026

The sweet potato coconut soup hit the spot.

From The Wall Street Journal Apr. 1, 2026

That night, Bertha made a special supper of meat loaf and lima beans, fried green tomatoes, and sweet potato pie.

From "Wish" by Barbara O'Connor

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