tremolo arm

American  

[trem-uh-loh ahrm] / ˈtrɛm ə loʊ ˌɑrm /

noun

1. whammy bar.

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tremolo arm British  

noun

1. a metal lever attached to the bridge of an electric guitar, used to vary the pitch of a played note

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Etymology

Origin of tremolo arm

First recorded in 1960–65

Example Sentences

Some of the sounds feel familiar, not least the woozy effect got by strumming the guitar while holding on to the tremolo arm so the notes sway unsteadily in and out of tune.

From The Guardian

Hawley himself ekes out little filigree solos with flutters of his guitar's tremolo arm, in sophisticated counterpoint to the ringing din at bass level.

From The Guardian