n.[M][G]

1. 兵團，軍
2. （醫務，通訊，軍械等兵種的）部隊
   His father served in the medical corps during World War II.

   第二次大戰時，他父親在醫務部隊服役。

3. （經專門訓練或有特種使命的）隊，組，團
   the diplomatic corps

   外交使節團

n.

1. a main subdivision of an army in the field, consisting of two or more divisions.
   ▸a branch of an army assigned to particular work.
2. a group of people engaged in a particular activity:
   the press corps.