noun
outer skin; outer covering; husk; shell; rind
Refers to the outer protective layer of something: skin of a fruit, shell of an egg, husk of a grain, crust of bread, or the outer layer of an organ. Often used in biological or botanical contexts. Contrasts with 内皮 (inner skin/lining).
See also: 内皮
卵の外皮はとても薄い。
The outer shell of an egg is very thin.
この果物の外皮は食べられない。
The outer skin of this fruit is not edible.