topspace
nounUK /ˈtɒpspeɪs/
US /ˈtɑːpspeɪs/
The empty room at the very top of something.
The bird flew into the topspace of the tall tree.
OTHER MEANINGS
2. The highest part of a page or screen where things can be placed.
Put the title in the topspace of the page.
3. Extra room above your head when you stand up.
This bus has lots of topspace for tall people.
4. The best or highest position in a group or game.
Our team reached the topspace of the scoreboard.