noun
rocker
ROK-uh
noun
1
A rocking chair, or the curved piece underneath it that lets it rock.
"Grandpa spent every evening in his old wooden rocker."
2
A performer or fan of rock music.
"The old rocker still tours with his band at seventy."
3
A switch that tilts on a pivot when pressed, used for lights and appliances.
"Flip the rocker switch to turn on the fan."
How to Use Rocker
Learner’s notesIn plain EnglishA rocking chair, a rock musician or fan, or a type of tilting switch.
Memory tip
The phrase "off one's rocker" means someone is acting crazy — it comes from the rocking chair sense.
Trace the full origin ↓
Common pairings
off one's rocker
rocker switch
aging rocker
Word Forms
rockers plural
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Fill the Gap
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Grandpa spent every evening in his old wooden _____.
Etymology
From "rock" (to sway back and forth) plus the agent suffix "-er."