turn [noun] [de beurt, de beurten]

Here “turn” as in “it is your turn” is meant.

Examples:
1. <shop attendant:> “Wie is er aan de beurt?”
(“Who’s turn is it?”).

2. <in a game> “Jij bent aan de beurt!”
(“It is your turn!”). This is often abbreviated to: “jij bent!”

3. “Beurt” has a specific meaning in the world of cars and car mechanics.
When you take your car to a car mechanic for a check-up, you can choose
the “kleine beurt” (partial check-up) or the “grote beurt”
(full check-up).