Rup"ture (?; 135), n. [L. ruptura, fr. rumpere, ruptum to break: cf. F. rupture. See Reave, and cf. Rout a defeat.] 1. The act of breaking apart, or separating; the state of being broken asunder; as, the rupture of the skin; the rupture of a vessel or fiber; the rupture of a lutestring. Arbuthnot.

Hatch from the egg, that soon,
Bursting with kindly rupture, forth disclosed
Their callow young.

2. Breach of peace or concord between individuals; open hostility or war between nations; interruption of friendly relations; as, the parties came to a rupture.

He knew that policy would disincline Napoleon from a rupture with his family.
E. Everett.

3. (Med.) Hernia. See Hernia.

4. A bursting open, as of a steam boiler, in a less sudden manner than by explosion. See Explosion.

Modulus of rupture. (Engin.) See under Modulus.

Syn. -- Fracture; breach; break; burst; disruption; dissolution. See Fracture.

Rup"ture, v. t. [imp. & p. p. Ruptured (?); p. pr. & vb. n. Rupturing.] 1. To part by violence; to break; to burst; as, to rupture a blood vessel.

2. To produce a hernia in.

Rup"ture, v. i. To suffer a breach or disruption.