|Origin:||chaiere, from Latin cathedra, from Greek, from kata- ( CATACLYSM) + hedra 'seat'|
a piece of furniture for one person to sit on, which has a back, a seat, and four legs:
a table and chairs
in/on a chair
He was sitting in a chair.
He sank back into his chair.
the position of being in charge of a meeting or committee, or the person who is in charge of it:
Address your questions to the chair, please.
be in the chair
Who will be in the chair at tomorrow's meeting?
He was nominated as chair of the board of governors.
the position of being a university professor
a new Chair of Medicine
4 American English informal
the electric chair