This describes one of the shapes for a "traditional" acoustic guitar Typically, this body style is quite large and full, which contributes to a big sound (again, picture?)
A British battleship, completed in 1906 1907, having an armament consisting of ten 12-inch guns, and of twenty-four 12-pound quick-fire guns for protection against torpedo boats
A slightly larder body style for acoustic guitars originally produced for the Oliver Ditson Company and reintroduced to the Martin Guitar Company in 1931