a spring; a fountain.-a large wave or billow; a great, rolling swell of water, produced generally by a high wind.-the motion of, or produced by, a great wave.-the tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips.-to swell; to rise hifg and roll.-to slip along a windlass.-to let go or slacken suddenly, as a rope; as, to surge a hawser or messenger; also, to slacken the rope about (a capstan).