Pastoral

n.
  1. A poem describing the life and manners of shepherds; a poem in which the speakers assume the character of shepherds; an idyl; a bucolic.
  2. (Mus.) A cantata relating to rural life; a composition for instruments characterized by simplicity and sweetness; a lyrical composition the subject of which is taken from rural life.
  3. (Eccl.) A letter of a pastor to his charge; specifically, a letter addressed by a bishop to his diocese; also (Prot. Epis. Ch.), a letter of the House of Bishops, to be read in each parish.