Story with a moral (7)
'story with a moral' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for parable that I've seen before include "Story illustrating moral lesson" , "Short moral story" , "Leap bar poorly for a biblical story" , "Gospel story" , "Story with ethical point" .)
'story with a moral' is the definition.
(a fable imparts a moral lesson)
This is the entire clue.
(Other definitions for fable that I've seen before include "Old wives' tale" , "Short moral story" , "One of Aesop's tales" , "Myth, legend" , "Story, often with moral" .)