- A rule which guides how an activity should be performed.
- The original copy of any writing, as of a deed, treaty, dispatch, or other instrument.
- The minutes, or rough draft, of an instrument or transaction.
- (context, diplomacy) A preliminary document upon the basis of which negotiations are carried on.
- (context, diplomacy) A convention not formally ratified.
- (context, diplomacy) An agreement of diplomatists indicating the results reached by them at a particular stage of a negotiation.
- (computing) A set of formal rules describing how to transmit data, especially across a network. A message syntax or electrical specification and a description 2 or more communication nodes: finite state machine, state machines, the transition function, transition functions of which take messages or times as input and, when then so triggered, may themselves send messages.
Etymology: protocole, protocollum, from (+) the first leaf glued to the rolls of papyrus and the notarial documents, on which the date was written; prw^tos the first (see Proto- + glue.)
- (obsolete), (transitive): To make a protocol of.
- (obsolete), (intransitive): To make or write protocols, or first drafts; to issue protocols.
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Full Definition of protocol