Exceptio non solutæ pecuniae
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A plea that the debt in suit was not discharged by payment (as alleged by the adverse party) notwithstanding an acquittance or receipt given by the person to whom the payment is stated to have been made. Mackeld. Rom. Law, § 534.
Defined under Exceptio in Black's Law Dictionary.