from
The Collaborative International Dictionary of English v.0.48
Commissionaire \Com*mis`sion*aire"\, n. [F. commissionnaire. Cf.
{Commissioner}.]
1. One intrusted with a commission, now only a small
commission, as an errand; esp., an attendant or
subordinate employee in a public office, hotel, or the
like.
Note: The commissionaire familiar to European travelers
performs miscellaneous services as a light porter,
messenger, solicitor for hotels, etc.
[Webster 1913 Suppl.]
2. One of a corps of pensioned soldiers, as in London,
employed as doorkeepers, messengers, etc.
[Webster 1913 Suppl.]
3. a uniformed doorman. [British]
[WordNet 1.5] Commissional