Definitions
1.NounAn object inserted to hold a space open in a row of items, e.g. beads or printed type.
2.NounA person who works or lives in space.
3.NounA bushing.
4.NounA forgetful person; one who spaces out.
5.NounA type of add-on device used by an asthmatic person to increase the effectiveness of a metered-dose inhaler.
6.NounAn instrument for reversing a telegraphic current, especially in a marine cable, to increase the speed of transmission.