(1):

(n.) A kind of wind instrument resembling the flageolet.

(2):

(n.) One who records; specifically, a person whose official duty it is to make a record of writings or transactions.

(3):

(n.) The title of the chief judical officer of some cities and boroughs; also, of the chief justice of an East Indian settlement. The Recorder of London is judge of the Lord Mayor's Court, and one of the commissioners of the Central Criminal Court.