›MEETINGSa person, especially a man, who is in charge of a meeting: The chairman called the meeting to order. → See alsochairnoun, chairperson, chairwoman
›a person who is in charge of a committee or an organization: appoint sb (as) chairmanHe was appointed chairman of the British Bankers' Association.serve/resign/step down as chairmanShe has decided to step down as chairman next year.
›WORKPLACE, MANAGEMENTa person who is in charge of a large company, especially the chairman of the board: appoint sb (as) chairmanShe was one of the few women to be appointed chairman of a FTSE 100 company.serve/resign/step down as chairmanAfter serving as chairman for the past five years, he will retire at the end of the next financial year.The chairman's role includes managing the board's business and acting as its facilitator and guide.deputy/vice chairmanDr Johnson was not only vice chairman but also one of the founders of the company.