en ‧ sign /ˈensaɪn, -s ə n $ ˈens ə n/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: enseigne , from Latin insignia ; ⇨ ↑ insignia ]
1 . a flag on a ship that shows what country the ship belongs to:
the Russian ensign
2 . a low rank in the US navy, or an officer who has this rank