n.
      - a continuous area or expanse which is free or unoccupied. 
▸a gap between printed or written words or characters.
 ▸pages in a newspaper, or time between broadcast programmes, available for advertising.
 - the dimensions of height, depth, and width within which all things exist and move. 
▸
(also outer space)
 the physical universe beyond the earth's atmosphere.
 ▸the near-vacuum extending between the planets and stars.
 - an interval of time (indicating that the time is short):
 both cars were stolen in the space of a few hours.
 - the freedom and scope to live and develop as one wishes.
 - Mathematics  a mathematical concept generally regarded as a set of points having some specified structure.
 - Telecommunications  one of two possible states of a signal in certain systems. The opposite of mark1.
 
v.
  - position (items) at a distance from one another. 
▸(in printing or writing) insert spaces between.
 - 
(be spaced out or chiefly N. Amer. space out)
 informal be or become euphoric or disorientated, especially from taking drugs.
 
 
  Derivative
  
  Etymology
  ME: shortening of OFr. espace, from L. spatium.