"legion" in the noun sense
1. host, legion
archaic terms for army
2. legion
association of ex-servicemen
"the American Legion"
3. legion
a large military unit
"the French Foreign Legion"
4. horde, host, legion
a vast multitude
"legion" in the adjective sense
1. numerous, legion
amounting to a large indefinite number
"numerous times"
"the family was numerous"
"Palomar's fans are legion"
Source: WordNet® (An amazing lexical database of English)
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