That inserts space between two objects.

present participle of space

plural of spacing

plural of Space

Of, relating to or pertaining to space, especially outer space; space-like.

(nonstandard) spatially

Taking up only a limited amount of space or room; compact.

(billiards) In the balk-line game, any of eight spaces, 7 × 3½ inches, lying along a cushion and bisected transversely by a balk line. Object balls in an anchor space are treated as in balk.

Alternative form of spacelore

Alternative form of floorspace