rocker

noun

rock·​er ˈrä-kər 

1

a

: either of two curving pieces of wood or metal on which an object (such as a cradle) rocks

b

: any of various objects (such as a rocking chair or an infant's toy having a seat placed between side pieces) that rock on rockers

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

Examples of rocker in a Sentence

Recent Examples on the Web

In September 2023, the rocker, 75, postponed his tour to recover from the painful stomach illness. —Ilana Kaplan, People.com, 24 June 2025

The sculpture features two toy rockers— a horse and a dinosaur — that are split in half and paired unevenly down the middle for an angular Cubist effect. —Jessica Gelt, Los Angeles Times, 23 June 2025

The British rocker released his fourth studio album, Idols, on Friday (June 20), delivering a genre-blurring, emotionally expansive project that marks the start of a two-part body of work. —Jessica Lynch, Billboard, 20 June 2025

Some other more rebellious rockers have rebuffed the honor, like Johnny Rotten, yet remain official Hall of Famers nonetheless. —Chris Willman, Variety, 18 June 2025

Word History

First Known Use

1760, in the meaning defined at sense 1a

Phrases Containing rocker

• Boston rocker
• hard rocker
• platform rocker
• rocker arm
• rocker panel

Rhymes for rocker

• blocker
• chalker
• cocker
• docker
• hawker
• hocker
• knocker
• locker
• mocker
• ocher
• shocker
• soccer

Kids 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