. "In mercant. lang.: bonam copiam (as the opp. of jurare bonam copiam), to declare on oath that one has not wherewithal to pay his debts , to swear that one is insolvent" . "In mercant. lang.: bonam copiam (as the opp. of jurare bonam copiam), to declare on oath that one has not wherewithal to pay his debts , to swear that one is insolvent" . .