Source : Webster's Revised Unabridged Dictionary (1913)

Char \Char\, Charr \Charr\, n. [Ir. cear, Gael. ceara, lit.,
   red, blood-colored, fr. cear blood. So named from its red
   belly.] (Zo["o]l.)
   One of the several species of fishes of the genus
   {Salvelinus}, allied to the spotted trout and salmon,
   inhabiting deep lakes in mountainous regions in Europe. In
   the United States, the brook trout ({Salvelinus fontinalis})
   is sometimes called a char.

Charr \Charr\, n.
   See 1st {Char}.