1. (n.) Extension, considered independently of anything which it may contain; that which makes extended objects conceivable and possible.

2. (n.) Place, having more or less extension; room.

3. (n.) A quantity or portion of extension; distance from one thing to another; an interval between any two or more objects; as, the space between two stars or two hills; the sound was heard for the space of a mile.

4. (n.) Quantity of time; an interval between two points of time; duration; time.

5. (n.) A short time; a while.

6. (n.) Walk; track; path; course.

7. (n.) A small piece of metal cast lower than a face type, so as not to receive the ink in printing, -- used to separate words or letters.

8. (n.) The distance or interval between words or letters in the lines, or between lines, as in books.

9. (n.) One of the intervals, or open places, between the lines of the staff.

10. (n.) To walk; to rove; to roam.

11. (n.) To arrange or adjust the spaces in or between; as, to space words, lines, or letters.

3-D CAT accommodation aerospace aerosphere aesthetic distance air hole air pocket airspace alien align allocate allot amount ample scope amplitude aperture apportion area arrange array astronomical unit bar bar line belt berth bit blank blank check brace breadth break broaching bump burden caesura caliber capacity carte blanche cavity ceiling celestial spaces chaos chasm check chronology clearance clearing cleft collocate compass compose confines content continental shelf continuity cordage corridor cosmic space country crack crosswind cubic cut day deal deal out deep space degree department depths of space dimensional disclosure discontinuity dispart dispose distance distance between distribute district divergence division double space duration duree elbowroom em em quad em space empty space en en quad en space environs ether space expanse expansion extent exterrestrial extramundane extrasolar extraterrene extraterrestrial farness fateful moment favorable wind fenestra field fistula five-em space fix flat fog fontanel foramen four-em space fourth-dimensional free course free hand free play free scope freeboard front full scope full swing gap gape gat grade ground gulf hair space half space head wind heartland height hiatus high-pressure area hinterland hole hollow hour infinity inlet instant interim intermediate space intermission interruption interspace interstellar space interstice interval ionosphere jetstream jump juncture justification space justifying space kairos keep apart lacuna land lapse lastingness latitude lay out laying open leak leap ledger line leeway length level light-year light-years limit line line up long rope low-pressure area make a space maneuvering space margin mark marshal measure measure out metagalactic space mileage milieu minute moment moment of truth neighborhood no holds barred notch nuance ocean of emptiness offshore rights open space opening opening up order organize orifice otherworldly outer space outlet overcast parcel out parsec parsecs part parts pas passageway patent space pause peg period perspective piece pitch place plane plateau play pocket point pore poundage precincts pregnant moment premises pressureless space proportion proportional psychological moment psychological time purlieus quad quadrat quantity quarter rally range rank ratio reach regiment region remoteness remove