legion

nouns

archaic terms for army
host, legion
association of ex-servicemen
"the American Legion"
legion
is a type of (narrower)
a formal organization of people or groups of people
"he joined the Modern Language Association"
association
a large military unit
"the French Foreign Legion"
legion
is a type of (narrower)
a unit that is part of some military service
"he sent Caesar a force of six thousand men"
force, military force, military group, military unit
a vast multitude
horde, host, legion

adjectives

amounting to a large indefinite number
"numerous times"; "the family was numerous"; "Palomar's fans are legion"
legion, numerous