The Collaborative International Dictionary of English v.0.48:

Pastoral \Pas"tor*al\, a. [L. pastoralis: cf. F. pastoral. See
   Pastor.]
   1. Of or pertaining to shepherds; hence, relating to rural
      life and scenes; as, a pastoral life.
      [1913 Webster]

   2. Relating to the care of souls, or to the pastor of a
      church; as, pastoral duties; a pastoral letter.
      [1913 Webster]

   Pastoral staff (Eccl.), a staff, usually of the form of a
      shepherd's crook, borne as an official emblem by a bishop,
      abbot, abbess, or other prelate privileged to carry it.
      See Crook, and Crosier.

   Pastoral Theology, that part of theology which treats of
      the duties of pastors.
      [1913 Webster]