Definition of African potato in English:

African potato

noun

  • 1Any of various African plants with edible starchy tubers, as yam and cassava.

  • 2A perennial plant, Hypoxis hemerocallidea (family Hypoxidaceae), native to South Africa, with yellow flowers, strap-like leaves, and a root which is used in herbal medicine, especially in the treatment of disorders of the immune system.

Origin

Mid 19th century.