regressus noun2 •The entitlement of a debtor to have a co-debtor pay their share.According to Voet, if the husband (or his heirs) has discharged the whole of an ante-nuptial debt, he (or they) has (or have) regressus against the wife or her heirs in respect of one-half. — 1915 •Reversion to a benefice on default of one's successor.The regressus device meant that the benefice could he restored to the cleric who had resigned it should the recipient of the resignation die or resign or fail to pay the pension. — 1998
