A badminton court is a rectangular shaped area where the game of badminton is played. In Engpsh, you can refer to it as a "badminton court" or simply a "court."

Here is an example of how you can use it in a sentence:

"I'm going to play a game of badminton on the badminton court at the park this afternoon."

"Do you want to join me for a game on the court? I brought my racket and shuttlecock."