unpin

[ uhn-pin ]
/ ʌnˈpɪn /

verb (used with object), un·pinned, un·pin·ning.

to remove pins from.
to unfasten or loosen by or as if by removing a pin; detach.

Origin of unpin

1300–50; Middle English unpynnen to unbolt; see un-2, pin

Example sentences from the Web for unpin

British Dictionary definitions for unpin

unpin
/ (ʌnˈpɪn) /

verb -pins, -pinning or -pinned (tr)

to remove a pin or pins from
to unfasten by removing pins