1
a
: either of two curving pieces of wood or metal on which an object (such as a cradle) rocks
c
: any of various objects in the form of a rocker or with parts resembling a rocker (such as a skate with a curved blade)
d(1)
: any of the curved stripes at the lower part of a chevron worn by a noncommissioned officer above the rank of sergeant
(2)
: the curved stripe at the upper part of a chevron worn by a chief petty officer
2
: any of various devices that work with a rocking motion
3
: a rock performer, song, or enthusiast
Phrases
off one's rocker
: in a state marked by extreme confusion or mental unsoundness
… he felt dizzy, slightly off his rocker at this extraordinary assailment of his senses.—
Bernard Malamud
Bernard MalamudExamples of rocker in a Sentence
Recent Examples on the Web
Its design seems to stay consistent with the iPhone 16 lineup, featuring volume rockers and Action Button on the left side.
—Prakhar Khanna, Forbes.com, 13 Apr. 2025
The punk rockers already had some fun at the festival: Frontman Billie Joe Armstrong joined The Go-Gos to perform on Friday.
—Julyssa Lopez, Rolling Stone, 12 Apr. 2025
But with formalwear required to walk the grand staircase to the Palais, the rocker should be sporting a tuxedo.
—Rhonda Richford, Footwear News, 10 Apr. 2025
Volume and channel rockers sit above the navigation pad with a number pad further up, while four color buttons and dedicated service buttons for Amazon Alexa, Amazon Prime Video, Disney+, LG Channels, Netflix, and Sling sit below.
—PC Magazine, 8 Apr. 2025
See All Example Sentences for rocker
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Prakhar Khanna, Forbes.com, 13 Apr. 2025
The punk rockers already had some fun at the festival: Frontman Billie Joe Armstrong joined The Go-Gos to perform on Friday.
—Julyssa Lopez, Rolling Stone, 12 Apr. 2025
But with formalwear required to walk the grand staircase to the Palais, the rocker should be sporting a tuxedo.
—Rhonda Richford, Footwear News, 10 Apr. 2025
Volume and channel rockers sit above the navigation pad with a number pad further up, while four color buttons and dedicated service buttons for Amazon Alexa, Amazon Prime Video, Disney+, LG Channels, Netflix, and Sling sit below.
—PC Magazine, 8 Apr. 2025
See All Example Sentences for rocker
Cite this Entry
“Rocker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rocker. Accessed 18 Apr. 2025.
Copy CitationKids Definition
rocker
noun
rock·er
ˈräk-ər 
1
a
: a curving piece of wood or metal on which an object (as a cradle) rocks
b
: a structure or device (as a chair) that rocks on rockers
2
: a device that works with a rocking motion
3
: a rock singer, musician, fan, or song
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