rocker

/ˈɹɒkə(ɹ)/

Misollar

Tom was sitting in his rocker.
Oleg was clearly off his rocker.
Have you gone off your rocker?
That guy is off his rocker!
She's gone completely off her rocker.
The whole world is off its rocker.

ot noun

The lengthwise curvature of a surfboard. (More rocker is a more curved board.) All modern surfboards share a similar rocker design — Bruce Jones https//web.archive.org/web/20051212041317/http://www.brucejones.com/longboar.htm
A curved piece of wood attached to the bottom of a rocking chair or cradle that enables it to rock back and forth.
A rocking chair.
The breve below as in ḫ.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.