Definition of pastoral elegy:
of or pertaining to shepherds; hence, relating to rural life and scenes; as, a pastoral life; relating to the care of souls, or to the pastor of a church; as, pastoral duties; a pastoral letter
"he wanders west as far as Memphis, a solitary migrant upon that flat and pastoral landscape. - 1985 McCarthy, Blood Meridian, chapter 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; 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. Moore