The Collaborative International Dictionary of English v.0.48:
Hoist \Hoist\, n.
1. That by which anything is hoisted; the apparatus for
2. The act of hoisting; a lift. [Colloq.]
(a) The perpendicular height of a flag, as opposed to the
fly, or horizontal length when flying from a staff.
(b) The height of a fore-and-aft sail next the mast or
Hoist bridge, a drawbridge that is lifted instead of being
swung or drawn aside.