Un-pin', v. t.
[imp. & p. p. UNPINNED; p. pr. & vb. n. UNPINNING.] To loose from pins; to unfasten, as what is held together by pins; to remove the pins of; as, to unpin a frock; to unpin the frame of a building.
[imp. & p. p. UNPINNED; p. pr. & vb. n. UNPINNING.] To loose from pins; to unfasten, as what is held together by pins; to remove the pins of; as, to unpin a frock; to unpin the frame of a building.