uncord

From un- +‎ cord.

uncord (third-person singular simple present uncords, present participle uncording, simple past and past participle uncorded)

1. (transitive) To remove or untie cords; to unbind.

   to uncord a package

• “uncord”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.