n. One who levels or makes even; one who or that which brings or reduces to a level, or destroys by leveling: as, time is the great leveler.n. One who desires or strives to bring men to a common level; one who would level social distinctions, or who disregards differences of rank or status.n. [capitalized] One of a party which arose in the army of the Long Parliament about 1647.n. A screw or other device fitted to the leg of a billiard-table or to any piece of apparatus for adjusting the table or apparatus to a true level.n. An earth-scraper.n. One of a secret society of rebels in Ireland in the latter half of the eighteenth century: named from their principles and the leveling of park palings and walls, practised by them.n. In currying, a composition used to eradicate the grease before leather is dyed.n. In golf, a hole of such length that no player can reach the green in one stroke and any player can reach it in two strokes.n. A person who uses an engineer's level; a member of an engineering or surveying party.