soursop

from WordNet (r) 3.0 (2006)

soursop
    n 1: small tropical American tree bearing large succulent
         slightly acid fruit [syn: {soursop}, {prickly custard
         apple}, {soursop tree}, {Annona muricata}]
    2: large spiny tropical fruit with tart pulp related to custard
       apples [syn: {soursop}, {guanabana}]

from The Collaborative International Dictionary of English v.0.48

Soursop \Sour"sop`\, n. (Bot.)
   The large succulent and slightly acid fruit of a small tree
   ({Anona muricata}) of the West Indies; also, the tree itself.
   It is closely allied to the custard apple.
   [1913 Webster]

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