n.[C]

1. 選舉區的全體選民[G]
   The constituency is/are voting tomorrow.

   該選區全體選民將於明天投票。

2. 選舉區
   I represent a big constituency whose residents are all against this bill.

   我代表一個很大的選區，那裡的人都反對這個法案。

3. （一批）顧客（或擁護者等）

n.

1. a body of voters in a specified area who elect a representative to a legislative body.
   ▸chiefly Brit. an area represented in a legislative body.
2. a body of customers or supporters.