The premier of several musicians playing a particular instrument in an orchestra: seated closest to the audience, taking the lead for that instrument's movements, and playing any solos.

A chair-like device used for performing execution by electrocution. / (informal) An electrically powered wheelchair.

(informal) A person who habitually attends meetings, but makes no active contribution to them

(US) Any chair designed to be used outdoors, especially a folding chair with aluminum frame, armrests, and interwoven ribbon mesh seat and back, used on backyard lawns.

(US) An upholstered chair with a low seat and a high back.

A sheet of durable smooth material that is placed on a floor space occupied by a chair (typically one equipped with casters) to prevent undue wear.

plural of chair mat

A chair with a high back from which project small side pieces, originally to protect from draught

A deep chair having a semicircular form

(US, historical) A small cage in the shape of a chair, designed to restrain a victim and put them on display.