Why is the ninth month called September?
Q. What was this place you rented? -- A. It was a room adjoining a barrel-house.
Q. What is a barrel house? -- A. It is a room where barrels of whisky are tapped, a very inferior kind of whisky, and the whisky is sold by the glassful right out of the barrel. It is a primitive coffee house. [Committee Report of the 43rd Congress, Select Committee on Conditions of the South, 1874-75]
: barrelhouse jazz/ barrelhouse beatnoun