/ kəˌmɪʃəˈneə(r); NAmE -ˈner/ noun
( BrE , becoming old-fashioned ) a person in uniform whose job is to stand at the entrance to a hotel, etc. and open the door for visitors, find them taxis, etc.
—see also doorman
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WORD ORIGIN
mid 17th cent.: from French , from medieval Latin commissarius person in charge, from Latin committere entrust(in medieval Latin put into custody), from com- with + mittere put or send.