Husk (or hull) in botany is the outer shell or coating of a seed.
It usually refers to the leafy outer covering of an ear of maize
(corn) as it grows on the plant. Literally, a husk or hull includes the protective outer covering of a seed
. It can also refer to the exuvia
of bugs or small animals left behind after moulting
Plantago-seed mucilage is often referred to as husk, or psyllium husk.
To husk corn is to remove its inner layers leaving only the cob
or seed rack of the corn.