Onion layer (4)
I believe the answer is:
skin
(Other definitions for skin that I've seen before include "Living tissue" , "Outer covering" , "Peel; drum head" , "Thin outer layer" , "Outer layer of a fruit or vegetable" .)
I believe the answer is:
skin
(Other definitions for skin that I've seen before include "Living tissue" , "Outer covering" , "Peel; drum head" , "Thin outer layer" , "Outer layer of a fruit or vegetable" .)