chairman >> /ˈtʃɛrmən/
Definition: [noun] A person, especially a man, designated to preside over a meeting.
Example: the chairman of the conference
Definition: [noun] One of the two people carrying a sedan chair.
Definition: [noun] A person, especially a man, who is the administrative head of a department of instruction at a college or university.
Example: In 1965 he became chairman of the Dance Department at the University of California.