|1.||Also called: pair of bellows an instrument consisting of an air chamber with flexible sides or end, a means of compressing it, an inlet valve, and a constricted outlet that is used to create a stream of air, as for producing a draught for a fire or for sounding organ pipes|
|2.||photog a telescopic light-tight sleeve, connecting the lens system of some cameras to the body of the instrument|
|3.||a flexible corrugated element used as an expansion joint, pump, or means of transmitting axial motion|
|[C16: from plural of Old English belig|
occurs only in Jer. 6:29, in relation to the casting of metal. Probably they consisted of leather bags similar to those common in Egypt.