Pin \Pin\, v. t. [imp. & p. p. Pinned; p. pr. & vb. n. Pinning.]

[See Pin, n.]

To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. ``As if she would pin her to her heart.'' --Shak.

To pin one's faith upon, to depend upon; to trust to.

Source: Webster's Revised Unabridged Dictionary (1913)