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register key

American  
[rej-uh-ster kee] / ˈrɛdʒ ə stər ˈki /

noun

plural

register keys

  1. Music. a lever on a wind instrument that, when pressed, shifts the note being played up in pitch.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s equipped with optical mechanical switches that can theoretically register key presses far faster than their traditional mechanical counterparts.

From The Verge • Sep. 24, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.