A definition, derived from the American Heritage Dictionary

pastoral (PAS-turral; not pas-TOR-al)

1. Of or pertaining to shepherds, herdsman, or others directly involved in animal husbandry. [NOTE: This is the original meaning of the word, which derives from the Latin word "pastor," meaning "shepherd."]

2. Of or pertaining to the country or country life; rural.

3. Having the qualities of idealized country life, such as charming simplicity and a leisurely, carefree pace.

4. Of or designating an artistic work that portrays country life in this way.