space  (sp?s)n.1. a. Mathematics A set of elements or points satisfying specified geometric postulates: non-Euclidean space.b. The infinite extension of the three-dimensional region in which all matter exists.2. a. The expanse in which the solar system, stars, and galaxies exist; the universe.b. The region of this expanse beyond Earth’s atmosphere.3. a. An extent or expanse of a surface or three-dimensional area: Water covered a large space at the end of the valley.b. A blank or empty area: the spaces between words.c. An area provided for a particular purpose: a parking space.4. Reserved or available accommodation on a public transportation vehicle.5. a. A period or interval of time: within the space of a week.b. A little while: Let’s rest for a space.6. Sufficient freedom from external pressure to develop or explore one’s needs, interests, and individuality: “The need for personal space inevitably asserts itself” (Maggie Scarf).7. Music One of the intervals between the lines of a staff.8. Printing One of the blank pieces of type or other means used for separating words or characters.9. One of the intervals during the telegraphic transmission of a message when the key is open or not in contact.10. Blank sections in printed material or broadcast time available for use by advertisers.v. spaced, spac·ing, spac·es v.tr.1. To organize or arrange with spaces between: Carefully space the words on the poster.2. To separate or keep apart: The buildings are spaced far from each other.3. Slang To stupefy or disorient. Often used with out: The antihistamine spaces me out so I can’t think clearly.v.intr. Slang To be or become stupefied or disoriented. Often used with out: I was supposed to meet her, but I spaced out and forgot.[Middle English, area, from Old French espace, from Latin spatium.]spac?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.space (spe?s) n1. the unlimited three-dimensional expanse in which all material objects are located. 2. an interval of distance or time between two points, objects, or events3. a blank portion or area4. a. unoccupied area or room: there is no space for a table. b. (in combination): space-saving. spacious5. (Psychology) freedom to do what a person wishes to for his or her own personal development6. (Astronomy) a. the region beyond the earth’s atmosphere containing the other planets of the solar system, stars, galaxies, etc; universeb. (as modifier): a space probe; space navigation. 7. (Astronomy) a. the region beyond the earth’s atmosphere occurring between the celestial bodies of the universe. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur. It can be divided into cislunar space (between the earth and moon), interplanetary space, interstellar space, and intergalactic spaceb. (as modifier): a space station; a space simulator. 8. a seat or place, as on a train, aircraft, etc9. (Printing, Lithography & Bookbinding) printing a. a piece of metal, less than type-high, used to separate letters or words in hot-metal printingb. any of the gaps used to separate letters, words, or lines in photocomposition, desktop publishing, etc10. (Classical Music) music any of the gaps between the lines that make up the staff11. (Mathematics) maths a collection of unspecified points having properties that obey a specified set of axioms: Euclidean space. 12. (Telecommunications) telegraphy Also called: spacing the period of time that separates complete letters, digits, and other characters in Morse codevb (tr) 13. to place or arrange at intervals or with spaces between14. to divide into or by spaces: to space one’s time evenly. 15. (Printing, Lithography & Bookbinding) printing to separate (letters, words, or lines) by the insertion of spaces[C13: from Old French espace, from Latin spatium]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014space (spe?s) n., v. spaced, spac?ing, adj. n. 1. the unlimited 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. 3. extent or area in two dimensions; a particular extent of surface. 4. a. outer space. b. deep space. 5. a place available for a particular purpose: a parking space. 6. a seat, berth, or room on a train, airplane, etc. 7. linear distance, as between objects. 8. a. the designed and structured surface of a picture. b. the illusion of depth on a two-dimensional surface. 9. a set of points or mathematical elements that fulfills certain prescribed conditions: Euclidean space; vector space. 10. extent, or a particular extent, of time: a space of two hours. 11. an interval of time; a while. 12. an interval or blank area in text. 13. an interval or blank area the width of one typed character. 14. an area or time period allotted or available for a specific use, as advertising, in a publication or broadcasting medium. 15. the interval between two adjacent lines of the musical staff. 16. one of the blank pieces of metal, less than type-high, used in printing to separate words, sentences, etc. 17. an interval during the transmitting of a telegraphic message when the key is not in contact. 18. freedom or opportunity to express oneself, fulfill one’s needs, have privacy, etc. v.t. 19. to fix the space or spaces of; divide into spaces. 20. to set some distance apart. 21. a. to separate (words, letters, or lines) by spaces. b. to extend by inserting more space or spaces (usu. fol. by out). 22. space out, to become abstracted, forgetful, or dreamily inattentive. adj. 23. of, pertaining to, or suitable for use in outer space or deep space: space travel; a space vehicle. [1250?1300; Middle English (n.)