Crossword Genius

Kill date with food bought in? (7)

Ross

I believe the answer is:

takeout

I'm a little stuck... Click here to teach me more about this clue!

'kill date' is the definition.
The answer and definition 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 don't see?

I don't understand how the rest of the clue works.

Can you help me to learn more?

I've seen this clue in The Irish Times.
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