PROPRES, French law. The term propres or biens propres, is used to denote that property which has come to an individual from his relations, either in a direct line, ascending or descending, or from a collateral line, whether the same have come by operation of law or by devise. Propres is used. in opposition to acquets. Poth. Des. Propres; 2 Burge, Confl. of Laws, 61; 2 L. R. S.