spacespacespacesspacedspacingnoun1(no plural) a place that is big enough for somebody or something to go into or ontosame meaningroom: Is there space for me in your car?2(pluralspaces) an empty place between things: a parking space There is a space here for you to write your name.3(alsoouter space) (no plural) the area outside the Earth's atmosphere where all the other planets and stars are: space travel