Webster's Revised Unabridged Dictionary · 1913

Unlace

Unlace , transitive verb

[1st un- + lace.]

1.
To loose by undoing a lacing; as, to unlace a shoe.
2.
To loose the dress of; to undress; hence, to expose; to disgrace.
What's the matter, That you unlace your reputation thus? — Shakespeare
3.
(Nautical) To loose, and take off, as a bonnet from a sail, or to cast off, as any lacing in any part of the rigging of a vessel. — Totten