space bar

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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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Origin of space bar

First recorded in 1885–90

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use space bar in a sentence

I took out my knife, my Ka-Bar, and knocked his teeth out, but they fell into his throat.
The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
You might work on the same groove for five hours nonstop, some three-bar thing over and over.
Speed Read: The Juiciest Bits From the History of ‘Purple Rain’|Jennie Yabroff|January 1, 2015|DAILY BEAST
The bar also claims that it hosted the first-ever poetry slam 28 years ago.
The Bars That Made America Great|Nina Strochlic|December 28, 2014|DAILY BEAST
A sepia photo shows him as a young boy, head in his hands, with a large book open at a bar table.
The Bars That Made America Great|Nina Strochlic|December 28, 2014|DAILY BEAST

His later books drew heavily from experiences and people he encountered at the bar, including the cruel captain in The Sea-Wolf.
The Bars That Made America Great|Nina Strochlic|December 28, 2014|DAILY BEAST
But you will find most colleges and most college societies bar religious instruction and discussion.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
Ogden Hoffman, a distinguished member of the New York bar, died, aged 62.
The Every Day Book of History and Chronology|Joel Munsell
The mosquito bar was drawn over her; the old woman had come in while she slept and let down the bar.
The Awakening and Selected Short Stories|Kate Chopin
And when three come, me and Maud was on the Bar Y road where it goes acrosst that crick-bottom.
Alec Lloyd, Cowpuncher|Eleanor Gates
If dat preacher goes to run a bar agin me,” he says, “py golly, I makes no more moneys!
Alec Lloyd, Cowpuncher|Eleanor Gates

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