Webster's Revised Unabridged Dictionary · 1913

Undress

Undress , transitive verb

[1st pref. un- + dress.]

1.
To divest of clothes; to strip.
2.
To divest of ornaments to disrobe.
3.
(Medicine) To take the dressing, or covering, from; as, to undress a wound.

Undress , noun

1.
A loose, negligent dress; ordinary dress, as distinguished from full dress.
2.
(Military & Naval) An authorized habitual dress of officers and soldiers, but not full-dress uniform.
Collocations (1)
Undress parade (Military) , a substitute for dress parade, allowed in bad weather, the companies forming without arms, and the ceremony being shortened.