Citrus skin (4)
I believe the answer is:
rind
(Other definitions for rind that I've seen before include "Crust" , "Cheese or fruit skin" , "Fruit covering" , "'Peel, bark (4)'" , "Outer skin of citrus fruit" .)
I believe the answer is:
rind
(Other definitions for rind that I've seen before include "Crust" , "Cheese or fruit skin" , "Fruit covering" , "'Peel, bark (4)'" , "Outer skin of citrus fruit" .)