freeseat
nounUK /ˈfriːsiːt/
US /ˈfriːsiːt/
A free seat is a chair or place you can sit in without paying.
We found a freeseat near the window and watched the parade.
OTHER MEANINGS
2. A seat given at no cost, as at a show or on transport.
The theater gave us a freeseat because our tickets were late.
3. A seat that is not reserved for anyone.
Grab a freeseat before the concert starts.
4. A spot in a class or program that costs nothing.
She earned a freeseat in the summer art class.