Large girl finding way to have two husbands? (6)

I believe the answer is:

bigamy

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

'way to have two husbands?' is the definition.
I can't tell whether this defines the answer.

'large girl' is the wordplay.
'large' becomes 'big' (synonyms).
'girl' becomes 'amy'.
'big'+'amy'='BIGAMY'

'finding' acts as a link.

Can you help me to learn more?

(Other definitions for bigamy that I've seen before include "Matrimonial crime" , "Having two concurrent spouses" , "Crime involving two better halves!" , "Crime of marrying when already legally wed" , "In law, having two spouses at the same time" .)

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