UNILATERAL CONTRACT, civil law. When the party to whom an engagement is made, makes no express agreement on his part, the contract is called uni-lateral, even in cases where the law attaches certain obligations to his acceptance. Civ. Code of Lo. art. 1758. Code Nap. 1103. A loan of money, and a loan for use, are of this kind. Poth. Obl. part 1, c. 1, s. 1, art. 2; Lee. Elemen. §781.