Definition of Conventio

In canon law. The act of summoning or calling together the parties by summoning the defendant. In the civil law. A compact, agreement, or convention. An agreement between two or more persons respecting a legal relation between them. The term is one of very wide scope, and applies to all classes of subjects'in which an engagement or business relation may be founded by agreement. It is to be distinguished from the negotiations or preliminary transactions on the object of the convention and fixing its extent, which are not binding so long as the convention is not concluded. Mackeld. Rom. Law, §§ 385, 386. In' contracts. An agreement; a covenant Cowell.
—Conventio in unnm. In the civil law. The agreement between the two parties tb a contract upon the sense of the contract proposed. It is an essential part of the contract, following the pollicitation or proposal emanating from the one, and followed by the consension or agreement of the other. Conventio privatorum non potest publico juri derogare. The agreement of private persens cannot derogate from public right, i. e., cannot prevent the application of general rules of law, or render valid any contravention of law. Co.. Litt. 166a; Wing. Mar. p. 746, max. 201. Conventio vincit legem. The express agreement of parties overcomes [prevails against] the law. Story, Ag. § 368.