| 释义 | com·mis·sion·er \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
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