ensign
n
1
(a) (esp naval) flag or banner (尤指海军的)旗, 旗帜.
(b) (Brit) special form of the national flag flown by ships (船上挂的特种的)国旗
the red/white/blue ensign 英国商船旗[英国皇家海军旗/英国海军预备舰队旗].
2 (US) officer of the lowestrank in the navy 海军少尉. =>App 9 见附录9.
3 (Brit) (formerly) infantry officer who carried the regimental flag (旧时)(陆军团的)掌旗官.