soursop noun. ['saʊǝsɒp] Also (in sense 2) soursob [-sɒb], soursobs [-sɒbz]. M17.
[from SOUR adjective + SOP noun¹.]
1. The large spiny slightly acid fruit of a W. Indian tree, Annona muricata (family Annonaceae); the tree bearing this fruit. M17.

2. The Bermuda buttercup, Oxalis pes-caprae. Austral. L19.

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