chair

chair is a Noun

Definition:

[1] A movable single seat with a back.

[2] An official seat, as of a chief magistrate or a judge, but esp. that of a professor; hence, the office itself. The chair of a philosophical school. Whewell. A chair of philology. M. Arnold.

[3] The presiding officer of an assembly; a chairman; as, to address the chair.

[4] A vehicle for one person; either a sedan borne upon poles, or two- wheeled carriage, drawn by one horse; a gig. Shak. Think what an equipage thou hast in air, And view with scorn two pages and a chair. Pope.

[5] An iron blok used on railways to support the rails and secure them to the sleepers. Chair days, days of repose and age. -- To put into the chair, to elect as president, or as chairman of a meeting. Macaulay. -- To take the chair, to assume the position of president, or of chairman of a meeting.