\Com*mis"sion*er\, n.
1. A person who has a commission or warrant to perform some
   office, or execute some business, for the government,
   corporation, or person employing him; as, a commissioner
   to take affidavits or to adjust claims.
         To another address which requested that a commission
         might be sent to examine into the state of things in
         Ireland, William returned a gracious answer, and
         desired the Commons to name the commissioners.
                                               --Macaulay.
2. An officer having charge of some department or bureau of
   the public service.
         Herbert was first commissioner of the Admiralty.
                                               --Macaulay.
         The commissioner of patents, the commissioner of the
         land office, the commissioner of Indian affairs, are
         subordinates of the secretary of the interior.
                                               --Bartlett.
{Commissioner of deeds}, an officer having authority to take
   affidavits, depositions, acknowledgment of deeds, etc.,
   for use in the State by which he is appointed. [U. S.]
{County commissioners}, certain administrative officers in
   some of the States, invested by local laws with various
   powers in reference to the roads, courthouses, financial
   matters, etc., of the county. [U. S.]