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definitions

space bar

noun

a horizontal bar on a typewriter keyboard that is depressed in order to resume typing one space to the right.
a horizontal bar on a computer keyboard that is depressed in order to move the cursor one space to the right or, often, to perform some function in a program.

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Nearby words

  1. spaak,
  2. spaak, paul henri,
  3. spaatz,
  4. space,
  5. space age,
  6. space biology,
  7. space blanket,
  8. space cadet,
  9. space capsule,
  10. space carrier

Origin of space bar

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for space-bar

space-bar

noun

a horizontal bar on a typewriter that is depressed in order to leave a space between words, letters, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012