Small green citrus fruit (4)
I believe the answer is:
lime
(Other definitions for lime that I've seen before include "Citrus fruit - shade of green" , "Mailed item" , "Tree; alkali" , "white caustic earth" , "White substance used in cement" .)
I believe the answer is:
lime
(Other definitions for lime that I've seen before include "Citrus fruit - shade of green" , "Mailed item" , "Tree; alkali" , "white caustic earth" , "White substance used in cement" .)