Meaning of “chair” - Learner’s Dictionary

chair

noun [ C ] uk us /tʃeər/
FURNITURE

A1 a seat for one person, with a back, usually four legs, and sometimes two arms

MEETING

someone who controls a meeting or organization:

[ usually singular ] All questions should be addressed to the chair.
UNIVERSITY

a very important position in a university department, or the person who has this position

→ See also the electric chair

(Definition of “chair noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)