Source : Webster's Revised Unabridged Dictionary (1913)

Unbraid \Un*braid"\, v. t. [1st pref. un- + braid.]
   To separate the strands of; to undo, as a braid; to unravel;
   to disentangle.

Source : WordNet®

unbraid
     v : undo the braids of; "unbraid my hair" [ant: {braid}]