n. The act of breaking or bursting; the state of being broken or violently parted: as, a rupture of the skin; the rupture of a vessel or fiber.n. In pathology, hernia, especially abdominal hernia.n. A breach of peace or concord, either between individuals or between nations; open hostility or war between nations; a quarrel.n. Synonyms Breach, etc. See fracture.To break; burst; part by violence: as, to rupture a blood-vessel.To affect with or cause to suffer from rupture or hernia.To cause a break or severance of: as, to rupture friendly relations.To suffer a break or rupture; break.In botany, specifically, to dehisce irregularly; dehisce in a ruptile manner.n. In mech.: The splitting or tearing of a boiler or tank from internal pressure or stress, as distinguished from an explosion in which it flies into pieces.n. A breakage or tearing apart by tensile stress in excess of the resisting capacity of the piece.To tear apart; open along a line or at one point, without destroying the whole structure: said of boilers or tanks, as distinguished from explode.