register key
noun
a lever on a wind instrument that, when pressed, shifts the note being played up in pitch.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His fingers were stiff on the cash register keys, and every time he looked up, Griffin was flopping off a shelf of canned goods.
From "The Contender" by Robert Lipsyte
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