Merriam-Webster Collegiate Dictionary - idyll

 also idyl  noun  Etymology: Latin ~ium, from Greek e~ion, from diminutive of eidos form; akin to Greek idein to see — more at wit  Date: 1586  1.  a. a simple descriptive work in poetry or prose that deals with rustic life or pastoral scenes or suggests a mood of peace and contentment  b. a narrative poem (as Tennyson's Idylls of the King) treating an epic, romantic, or tragic theme  2.  a. a lighthearted carefree episode that is a fit subject for an ~  b. a romantic interlude