Crossword Genius

Worry when leader of race goes missing (3)

Ross

I believe the answer is:

eat

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'worry' is the definition.
(something worrying may eat someone up)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for eat that I've seen before include "Break bread" , "Gobble up" , "Scoff" , "Devour" , "Bit, chew and swallow" .)

I've seen this clue in The Times.
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