adjective
definition
Numerous; vast; very great in number.
noun
definition
(military, Ancient Rome) The major unit or division of the Roman army, usually comprising 3000 to 6000 infantry soldiers and 100 to 200 cavalry troops.
definition
(military) A combined arms major military unit featuring cavalry, infantry, and artillery, including historical units such as the British Legion, and present-day units such as the Spanish Legion and the French Foreign Legion.
definition
(military) A large military or semi-military unit trained for combat; any military force; an army, regiment; an armed, organized and assembled militia.
definition
(often Legion or the Legion) A national organization or association of former servicemen, such as the American Legion.
definition
A large number of people; a multitude.
definition
(often plural) A great number.
definition
(dated, taxonomy) A group of orders inferior to a class; in scientific classification, a term occasionally used to express an assemblage of objects intermediate between an order and a class.
verb
definition
(transitive) To form into legions.