Crossword Genius

Cricket sides drawing in India — it could bring tears to your eyes! (5)

Ross

I believe the answer is:

onion

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'eyes' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

I don't understand the rest of the clue.

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(Other definitions for onion that I've seen before include "One may be set" , "Tear-jerking bulb" , "Tear-inducing edible bulb" , "reason for tears" , "Pungent edible bulb of the lily family" .)

I've seen this clue in The Times.
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