Poetic form (3)
I believe the answer is:
ode
'poetic form' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ode that I've seen before include "- - to a 12 Urn" , "Lyric poem" , "Poem expressing noble feelings" , "A poem celebrating person or event" , "poetry" .)