say it: PROH-tuh-kahl
protocol is a noun meaning "(computer science) rules determining the format and transmission of data". It carries 3 recorded senses.
(computer science) rules determining the format and transmission of data
computer science
forms of ceremony and etiquette observed by diplomats and heads of state
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for protocol come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.