No-man's land \No"-man's` land`\, No-man's-land \No"-man's`-land`\ 1. (Naut.) A space amidships used to keep blocks, ropes, etc.; a space on a ship belonging to no one in particular to care for. [1913 Webster] 2. An unoccupied area between opposing armies. [WordNet 1.5] 3. Hence: (Fig.): An unclaimed space or time. [1913 Webster] That no-man's land of twilight. --W. Black. [1913 Webster]