Definition of surge

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