sweet potato

  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.

Origin of sweet potato

An Americanism dating back to 1740–50
Can be confusedcassava sweet potato yam
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sweet potato

Historical Examples of sweet potato

British Dictionary definitions for sweet potato

sweet potato

  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
Also called (NZ): kumara
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