Real Dictionary

persimmon
countable noun: A persimmon is a soft, orange fruit that looks rather like a large tomato. Persimmons grow on trees in hot countries.

persimmon in American English
any of a genus (Diospyros) of trees of the ebony family with white, cup-shaped flowers, hard wood, and yellow or orange-red, plumlike fruit
noun: any of several trees of the genus Diospyros, esp. D. virginiana, of North America, bearing astringent, plumlike fruit that is sweet and edible when ripe, and D. kaki, of Japan and China, bearing soft, red or orange fruit

persimmon in British English
noun: any of several tropical trees of the genus Diospyros, typically having hard wood and large orange-red fruit: family Ebenaceae