“+ transitive verb
Etymology: Middle English unpinnen, from un- (II) + pinnen to pin
1. : to remove a pin from
2. : to loosen, free, or unfasten by or as if by removing a pin
unpin a dress
unpin a frame
“+ transitive verb
Etymology: Middle English unpinnen, from un- (II) + pinnen to pin
1. : to remove a pin from
2. : to loosen, free, or unfasten by or as if by removing a pin
unpin a dress
unpin a frame
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012