Said of boils, tumours etc.: To break the outer covering and discharge the matter. Of a bud: To break the envelope, open out. Of a cloud: To…

intransitive for reflexive.

intransitive. To split apart; to break or burst open; = tear, v.1 7. Also figurative. Now somewhat archaic.

intransitive. To snap or split asunder. Obsolete.

transitive. To make a breach in, break open or into, break, shatter. Also intransitive with reflexive meaning.

intransitive. To be broken, crushed, shattered, or bruised; to break, crack, suffer damage. Obsolete.

intransitive. To break asunder; to burst or cleave in twain. Obsolete.

intransitive. To break, snap; to break or become broken under pressure; to become crushed. Obsolete. rare.

intransitive. Of a material thing: to break into pieces or disintegrate, esp. from long use or wear. Cf. sense 30a.

intransitive for reflexive. To suffer fracture; to break.