No-man's land
No-man's land
1.
(Nautical) A space amidships used to keep blocks, ropes, etc.; a space on a ship belonging to no one in particular to care for.
2.
An unoccupied area between opposing armies.
3.
An unclaimed space or time. [Figurative]
That no-man's land of twilight.
Also: No-man's-land