Definition of pastorals:
(adj) :
Relating to rural life and scenes, in particular of poetry.
(adj) :
Of or pertaining to shepherds or herders of other livestock.
(adj) :
Relating to the care of souls, to the pastor of a church or to any local religious leader charged with the service of individual parishioners, i.e. a priest or rabbi.
(n) :
A poem describing the life and manners of shepherds; a poem in which the speakers assume the character of shepherds; an idyll; a bucolic.
(n) :
(music) 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.
(n) :
(religion, Christianity) A letter of a pastor to his charge; specifically, a letter addressed by a bishop to his diocese.