FORE-LOCKS, in the sea language, little flat wedges made of iron, used at the ends of bolts, to keep them from flying out of their holes.

FOREMAST of a Ship, a large round piece of timber, placed in her fore part or fore-castle, and carrying the fore-sail and fore-top-sail yards. Its length is usually \frac{2}{3} of the main-mast, and the fore-top-gallant-mast is \frac{1}{2} the length of the fore-top.