In plural. With the. The region of space in which celestial objects move.

The region of space beyond the clouds or the visible sky. Chiefly in collocation with earth, denoting the whole universe.

A particular stretch, extent, or area of ground, surface, sky, etc.; an expanse. Also figurative. Cf… In plural. The heavens; the skies; the…

The expanse in which celestial objects are situated; the physical universe (excluding celestial objects) beyond the earth's atmosphere, consisting…

Chiefly literary. The clear sky; the upper regions of space beyond the clouds; the medium supposed to fill the upper regions of space, as the air…

the deep. The abyss or depth of space. (Sometimes a figurative use of a.)

A vast or unfathomable space, an abyss; the deep or remote part (of space, the air, the sky, etc.). Usually in plural (poetic and rhetorical).

spec. With the: The empty expanse of space.

The visible heavens; the firmament; the sky. Also: the whole extent of cosmic space.