'In self-defense' definitions:

Definition of 'In self-defense'

From: GCIDE
  • Self-defense \Self`-de*fense"\, n. The act of defending one's own person, property, or reputation. [1913 Webster]
  • In self-defense (Law), in protection of self, -- it being permitted in law to a party on whom a grave wrong is attempted to resist the wrong, even at the peril of the life of the assailiant. --Wharton. [1913 Webster]