Crossword Genius

What travellers pay for food (4)

Ross

I believe the answer is:

fare

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'food' is the definition.
(fare is a kind of food)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for fare that I've seen before include "Get on - passenger - provisions" , "Payment for journey" , "Charge for travelling on train or bus" , "going rate?" , "Price of passage" .)

I've seen this clue in The Times.
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