Definition of monkey apple in US English:

monkey apple

noun

  • Any of various tropical trees and shrubs bearing fruit which resembles an apple or is regarded as fit (only) for monkeys; especially Annona glabra (family Annonaceae), of tropical America and West Africa, and Anisophyllea laurina (family Anisophyllaceae), of West Africa.

Origin

Mid 18th century; earliest use found in Griffith Hughes (1707–1750). From monkey + apple.

Pronunciation

monkey apple

/ˈmʌŋkɪ apl/