Space

1�: a period of time ; also : its duration

2 a : a limited extent in one, two, or three dimensions : DISTANCE, AREA , VOLUME b : an extent set apart or available

3 : one of the degrees between or above or below the lines of a musical staff -- compare LINE

4 a : a boundless three-dimensional extent in which objects and events occur and have relative position and direction b : physical space independent of what occupies it -- called also absolute space

5 : the region beyond the earth's atmosphere or beyond the solar system

6 a : a blank area separating words or lines b : material used to produce such blank area ; especially : a piece of type less than one en in width

7 : a set of mathematical elements and especially of abstractions of all the points on a line, in a plane, or in physical space ; especially : a set of mathematical entities with a set of axioms of geometric character -- compare