Your ShelfYour Projects
Webster's Dictionary (1865)

Sour'sōp, n.

noun

n. (Bot.) A small tree of the West Indies (the Anona muricata), which bears a large succulent fruit. It is closely allied to the custard apple. Loudon.

A botanical illustration of a soursop plant, showing its leaves, flowers, and large spiny fruit.
Fruit of Soursop (Anona muricata).