one who, or that which, compounds or mixes; as, a compounder of medicines.-one who attempts to bring persons or parties to terms of agreement, or to accomplish, ends by compromises.-one who compounds a debt, obligation, or crime.-one at a university who pays extraordinary fees for the degree he is to take.-a jacobite who favored the restoration of james ii, on condition of a general amnesty and of guarantees for the security of the civil and ecclesiastical constitution of the realm.