vacant seat
noun phraseUK /ˈveɪkənt siːt/
US /ˈveɪkənt siːt/
A seat that no one is sitting in.
I found a vacant seat near the window on the bus.
OTHER MEANINGS
2. A position or job that no one currently holds.
The company has a vacant seat on its board of directors.
3. An official place, such as in a parliament or council, that is not filled.
The election was held to fill the vacant seat in the assembly.
4. A place in a class or school where a student can still enroll.
There is one vacant seat left in the morning art class.