The meaning of PROTOCOL is a system of rules that explain the correct conduct and procedures to be followed in formal situations. How to use protocol in a sentence.

PROTOCOL definition: the customs and regulations dealing with diplomatic formality, precedence, and etiquette. See examples of protocol used in a sentence.

PROTOCOL meaning: 1. the system of rules and acceptable behaviour used at official ceremonies and occasions: 2. a…. Learn more.

Protocol has several different meanings, all connected to the idea of guidelines or procedures to follow. It is used mostly in formal or academic language. The most common meaning of protocol is “a …

Look up protocol in Wiktionary, the free dictionary.

Protocol is most often used when talking about the rules of government or official agencies. It is derived from the French and refers to the correct rules of etiquette for diplomats.

A protocol is a written record of a treaty or agreement that has been made by two or more countries.

There are 17 meanings listed in OED's entry for the noun protocol, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of protocol noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 20, 2026 · protocol (countable and uncountable, plural protocols) (now chiefly historical) The minutes, or official record, of a negotiation or transaction; especially a document drawn up officially …