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1.
A formal way, sometimes mentioned in court, of referring marital sex.

Curiosity:
Apparently lack of sex is enough justification to file for divorce and the the "Conjugal debit" frequency is set to once every fortnight.
Given that you have failed to provide conjugal debit to your spouse, we find the divorce request valid, and must rule in their favour.
by vsousa March 01, 2010