n.[C]

1. 旗；軍旗
   At that moment, from behind the short bushes, there appeared the artillery ensign.

   此時從矮小的叢林後面出現了砲兵部隊的軍旗。

2. 【美】海軍少尉
   Her elder brother was an ensign before his discharge.

   她哥哥退伍前是海軍少尉。

n.

1. a flag, especially a military or naval one indicating nationality.
2. the lowest rank of commissioned officer in the US and some other navies, above chief warrant officer and below lieutenant.
   ▸historical the lowest rank of commissioned infantry officer in the British army.
3. historical a standard-bearer.