Noun
baryton (plural barytons)
(music) A viol-like stringed instrument (chordophone) mainly played with a bow but with a set of plucked strings as well, originating in European music prior to the 1800s.
Baryton
(music) A reed stop on an organ of 16' or 8' that is imitative of a baryton.
The most common German name, Baryton, may also have caused the American use of the term "baritone" for the instrument with the influx of German musicians to the United States in the nineteenth century. Source: Internet