space

1. the unlimited or incalculably great three-dimensional realm or expanse in which all material objects are located and all events occur.
2. the portion or extent of this in a given instance; extent or room in three dimensions:

   the space occupied by a body.

3. extent or area in two dimensions; a particular extent of surface:

   to fill out blank spaces in a document.

4. Fine Arts.
   1. the designed and structured surface of a picture:

      In Mondrian's later work he organized space in highly complex rhythms.

   2. the illusion of depth on a two-dimensional surface.
5. outer space ( def 1 ).
6. deep space.
7. a seat, berth, or room on a train, airplane, etc.
8. a place available for a particular purpose:

   a parking space.

9. linear distance; a particular distance:

   trees separated by equal spaces.

10. Mathematics. a system of objects with relations between the objects defined.
11. extent, or a particular extent, of time:

    a space of two hours.

12. an interval of time; a while:

    After a space he continued his story.

13. an area or interval allowed for or taken by advertising, as in a periodical, on the radio, etc.
14. Music. the interval between two adjacent lines of the staff.
15. an interval or blank area in text:

    a space between the letters.

16. Printing. one of the blank pieces of metal, less than type-high, used to separate words, sentences, etc.
17. Telegraphy. an interval during the transmitting of a message when the key is not in contact.
18. radio or television broadcast time allowed or available for a program, advertisement, etc.
19. freedom or opportunity to express oneself, resolve a personal difficulty, be alone, etc.; allowance, understanding, or noninterference:

    Right now, you can help by giving me some space.

1. to fix the space or spaces of; divide into spaces.
2. to set some distance apart.
3. Printing, Writing.
   1. to separate (words, letters, or lines) by spaces.
   2. to extend by inserting more space or spaces (usually followed by out ).

1. Informal. to forget: I spaced on your present, I’m so sorry.

   I had an appointment but I totally spaced.

   I spaced on your present, I’m so sorry.

   I spaced the deadline and now my homework's late.

1. of, relating to, or concerned with outer space or deep space:

   a space mission.

2. designed for or suitable to use in the exploration of outer space or deep space: specially packaged space food for astronauts.

   space tools;

   specially packaged space food for astronauts.

verb phrase

1. Informal. to become dazed or inattentive:

   Sorry, I spaced out and didn't catch that.