kəˈmish(ə)nə(r) noun
( -s )
Etymology: Middle English, from commissioun + -er
: a person who has received a commission or has been delegated to perform some service or carry out some business: as
a. : a member of a commission
b. : the representative or agent of the sovereign power or governmental authority in a district, province, or other governmental unit often having both judicial and administrative powers
he was appointed chief commissioner of the colony
c. : the officer in charge of a department or bureau of the public service
commissioner of patents
a state commissioner of education
police commissioner
d. : one of the administrative officials of an unincorporated town in Scotland
e. : county commissioner
f. : the administrative head of an organized professional sport usually having regulatory or judicial powers
baseball commissioner
g. : a Salvation Army officer ranking above a colonel and below the general