D defs.my
Entry 1 sense Webster, 1913

unhitch

/ən-hĭch'/ · un·hitch · IPA /ənhˈɪtʃ/
01 v. t. To free from being hitched, or as if from being hitched; to unfasten; to loose; as, to unhitch a horse, or a trace.
  1. 1.
    To free from being hitched, or as if from being hitched; to unfasten; to loose; as, to unhitch a horse, or a trace.