space; room · (fig.) scope; leeway · (astronomy) outer space · (physics, math.) space

That Space, as our mathematicians have it, is spoken of as having three dimensions, which one may call Length, Breadth, and Thickness, and is always definable by reference to three planes, each at right angles to the others.

Have you ever been to outer space?

If geometry is the science of space, what is the science of time?

The Soyuz spacecraft undocked from the International Space Station at 9:53 p.m. EDT, carrying three people back to Earth.