Crossword Genius

Empty large boxes for eggs (6)

Ross

I believe the answer is:

ovoids

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

'eggs' is the definition.
Although both the answer and definition are plural nouns, I can't see how they can define each other.

'empty large boxes' is the wordplay.
'empty' becomes 'void' (similar in meaning).
'large' becomes 'os'.
'boxes' indicates putting letters inside (the outside letters must 'box' inside letters in).
'void' going within 'os' is 'OVOIDS'.

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in The Hindu.
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