Source : Webster's Revised Unabridged Dictionary (1913)

Singing \Sing"ing\,
   a. & n. from {Sing}, v.

   {Singing bird}. (Zo["o]l.)
   (a) Popularly, any bird that sings; a song bird.
   (b) Specifically, any one of the Oscines.

   {Singing book}, a book containing music for singing; a book
      of tunes.

   {Singing falcon} or {hawk}. (Zo["o]l.) See {Chanting falcon},
      under {Chanting}.

   {Singing fish} (Zo["o]l.), a California toadfish ({Porichthys
      porosissimus}).

   {Singing flame} (Acoustics), a flame, as of hydrogen or coal
      gas, burning within a tube and so adjusted as to set the
      air within the tube in vibration, causing sound. The
      apparatus is called also {chemical harmonicon}.

   {Singing master}, a man who teaches vocal music.

   {Singing school}, a school in which persons are instructed in
      singing.