What does "vicarious" mean?

Vicarious: Acting of suffering for another; as, a vicarious agent or officer. The soul in the body is but a subordinate efficient, and vicarious . . . in the hands of the Almighty. Sir M. Hale.

Additional senses

  1. 2.Performed of suffered in the place of another; substituted; as, a vicarious sacrifice; vicarious punishment. The vicarious work of the Great Deliverer. I. Taylor.
  2. 3.(Med.) Acting as a substitute; -- said of abnormal action which replaces a suppressed normal function; as, vicarious hemorrhage replacing menstruation.

Sources