Possible Definitions:
1. Protocol (n.) The original copy of any writing, as of a deed, treaty, dispatch, or other instrument.
2. Protocol (n.) The minutes, or rough draught, of an instrument or transaction.
3. Protocol (n.) A preliminary document upon the basis of which negotiations are carried on.
4. Protocol (n.) A convention not formally ratified.
5. Protocol (n.) An agreement of diplomatists indicating the results reached by them at a particular stage of a negotiation.
6. Protocol (v. t.) To make a protocol of.
7. Protocol (v. i.) To make or write protocols, or first draughts; to issue protocols.