Meaning of shift key

shift' key"

Pronunciation: [key]
  1. a typewriter key that determines whether characters are printed in upper or lower case and controls the printing of numbers and symbols.
  2. a key that performs the same functions as on a typewriter keyboard and also controls other functions, depending on the program: To print a file, depress the shift key and a function key.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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