Squashed melon? (5)
I believe the answer is:
lemon
'squashed melon?' is the definition.
The definition and answer can be both things that one consumes for nourishment as well as being singular nouns.
Maybe you can see an association between them that I can't see?
'squashed melon?' is the wordplay.
'squashed' indicates an anagram.
'melon' is an anagram of 'LEMON'.
Can you help me to learn more?
(Other definitions for lemon that I've seen before include "failure" , "stinker" , "Fruit - as an answer it's unsatisfactory" , "very different from peach?" , "definitely not a peach" .)