Verb Plain form space Third-person singular spaces Past tense spaced Past participle spaced Present participle spacing The present participle of space. Noun Singular spacing Plural spacings The way two or more things are separated by spaces. The spacing of the desks keeps students from copying each other's work. I don't really like the layout, the spacing is weird. The space between two or more things. Put some more spacing between those two words to make them more readable.Wikiwand - on Seamless Wikipedia browsing. On steroids.