Scratch starter (4)
I believe the answer is:
itch
This clue might be a double definition.
'scratch' is the first definition.
(I know that scratch can be written as itch)
'starter' is the second definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.
Can you help me to learn more?
(Other definitions for itch that I've seen before include "Something that needs a scratch" , "Tickling sensation of skin" , "burn" , "are dying" , "A nagging desire" .)