Noah Webster's New International Dictionary of the English Language

1. (v. t.) To divest of clothes; to strip.

2. (v. t.) To divest of ornaments to disrobe.

3. (v. t.) To take the dressing, or covering, from; as, to undress a wound.

4. (n.) A loose, negligent dress; ordinary dress, as distinguished from full dress.

5. (n.) An authorized habitual dress of officers and soldiers, but not full-dress uniform.