Star Wars Day month (3)
I believe the answer is:
may
'star wars day month' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for may that I've seen before include "Hawthorn blossom" , "Spring" , "plant that's tropical making comeback" , "Has permission" , "The merry merry month( 3)" .)