a musical instrument that makes music by rotation of a cylinder studded with pegs
a tube through which a bullet travels when a gun is fired
a cylindrical container that holds liquids
a bulging cylindrical shape; hollow with flat ends
any of various units of capacity
the quantity that a barrel (of any size) will hold
a fully differentiated structural and functional unit in an animal that is specialized for some particular function
a government agency or instrument devoted to the performance of some specific function
(music) an electronic simulation of a pipe organ
wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
