Centurion vs. Legionary — What's the Difference?

A centurion (; Latin: centurio [kɛn̪ˈt̪ʊrioː], pl. centuriones; Greek: κεντυρίων, translit.

The Roman legionary (in Latin legionarius, plural legionarii) was a professional heavy infantryman of the Roman army after the Marian reforms. These soldiers would conquer and defend the territories of ancient Rome during the late Republic and Principate eras, alongside auxiliary and cavalry detachments.

The commander of a century in the Roman army.

Of, relating to, or constituting a legion.

(historical) An officer of the ancient Roman army, in command of a century of soldiers.

A soldier of a legion.

(cricket) A player who scores a century.

A soldier belonging to a legion; a professional soldier of the ancient Roman army.

(US) A pilot in the United States Navy who has performed 100 night landings on an aircraft carrier.

A person who is neither a citizen nor colonial/imperial subject of the state whose military they join.

A military officer who commanded a minor division of the Roman army; a captain of a century.

A member of a legion, such as the American Legion, or of any organization containing the term legion in its title (e.g. the French Foreign Legion).

(ancient Rome) the leader of 100 soldiers

Relating to, or consisting of, a legion or legions.

Containing a great number.

Belonging to a legion; consisting of a legion or legions, or of an indefinitely great number; as, legionary soldiers; a legionary force.

A member of a legion.

A soldier who is a member of a legion (especially the French Foreign Legion)