- Main Entry:
- sour·sop

- Pronunciation:
-
\ˈsau̇(-ə)r-ˌsäp\
- Function:
- noun
- Date:
- 1667
: a small tropical American tree (Annona muricata) of the custard-apple family that has spicy odoriferous leaves
; also : its large edible fruit that has fleshy spines and a slightly acid fibrous pulp