husk 
(hŭsk)
(hŭsk)n.
1. The outer membranous or green envelope of some fruits or seeds, as that of a walnut or an ear of corn.
2. A shell or outer covering, especially when considered worthless.
3. A framework serving as a support.
tr.v. husked, husk·ing, husks
To remove the husk from.
[Middle English, probably diminutive of hus, house, Middle Dutch hūskijn, little house, core of an apple; see HOUSE.]
husker n.