in nautical language, little flat wedges made of iron, used at the end 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 forecastle, and carrying the foresail and fore-top-sail yards. Its length is usually eight ninths of the mainmast, and the fore-top-gallant mast is half the length of the fore-top.