rate / trīˈəmvərit; -ˌrāt / • n. 1. The Second Triumvirate was an alliance lasting from 43 to 36 B.C. How to use triumvirate in a sentence. 3. and existing in name until 31 B.C. The Caesarians Octavian, Antony, and Lepidus joined together against Caesar’s murderers—Brutus and Cassius—as well as other republicans and the Senate. 1 (in ancient Rome) a group of three men holding power, in particular (the First Triumvirate) the unofficial coalition of Julius Caesar, Pompey, and Crassus in 60 BC and (the Second Triumvirate) a coalition formed by Antony, Lepidus, and Octavian in 43 BC.. 1.1 A group of … Did You Know? The Second Triumvirate is the name historians give to the official political alliance of Octavian (later known as Augustus), Marcus Aemilius Lepidus, and Mark Antony, formed on 26 November 43 BC with the enactment of the Lex Titia, the adoption of which marked the end of the Roman Republic.The Triumvirate existed for two five-year terms, covering the period 43 BC – 33 BC. Dictionary entry overview: What does triumvirate mean? The battle, on an inland plain in eastern Macedonia … See more. Triumvirate definition is - a body of triumvirs. Second Triumvirate definition: the coalition and joint rule of the Roman Empire by Antony , Lepidus , and Octavian ,... | Meaning, pronunciation, translations and examples 1. a group of three men responsible for public administration or civil authority Familiarity information: TRIUMVIRATE used as a noun is very rare. Triumvirate definition, the office or magistracy of a triumvir. Enrich your vocabulary with the English Definition dictionary triumvirate meaning: 1. a group of three people who are in control of an activity or organization: 2. a group of three…. 4. Learn more. An association or a group of three. The Battle of Philippi in 42 BCE was an all-Roman affair fought between the young Octavian, chosen heir of Julius Caesar, and the mercurial Mark Antony, widely regarded as the greatest living Roman general on the one side against Brutus and Cassius, the assassins of Caesar and champions of the Republican cause on the other. (in ancient Rome) a group of three men holding power, in particular (the First Triumvirate) the unofficial coalition of Julius Caesar, Pompey, and Crassus in 60 bc and (the Second Triumvirate) a coalition formed by Antony, Lepidus, and Octavian in 43 bc. The office or term of a triumvir. triumvirate: 1 n a group of three men responsible for public administration or civil authority Types: troika a modern Russian triumvirate Type of: threesome , triad , trinity , trio three people considered as a unit Government by triumvirs. A body or group of triumvirs. • TRIUMVIRATE (noun) The noun TRIUMVIRATE has 1 sense:. Second Triumvirate synonyms, Second Triumvirate pronunciation, Second Triumvirate translation, English dictionary definition of Second Triumvirate. 2. triumvirate definition in English dictionary, triumvirate meaning, synonyms, see also 'triumvir',triumviral',triturate',trivia'. n. 1.