Com*pound"er (?), n. 1. One who, or that which, compounds or mixes; as, a compounder of medicines.

2. One who attempts to bring persons or parties to terms of agreement, or to accomplish, ends by compromises. "Compounders in politics." Burke.

3. One who compounds a debt, obligation, or crime.

Religious houses made compounders
For the horrid actions of their founders.
Hudibras.

4. One at a university who pays extraordinary fees for the degree he is to take. [Eng.] A. Wood.

5. (Eng. Hist.) 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.