Kind of bean in succotash (4)
I believe the answer is:
lima
'kind of bean in succotash' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lima that I've seen before include "Mail it to Peruvian city" , "Kind of bean" , "Mail to Peru's capital" , "Edible bean; capital city" , "city (like 22)" .)