I. le ‧ gion 1 /ˈliːdʒ ə n/ BrE AmE noun [countable]
[ Date: 1100-1200 ; Language: Old French ; Origin: Latin legio , from legere ; ⇨ ↑ legend ]
1 . a large group of soldiers, especially in ancient Rome
2 . literary a large number of people
II. legion 2 BrE AmE adjective [not before noun]
literary very many SYN numerous :
The stories of her adventures were legion.