[bag-pahyp] 
noun, verb, -piped, -pip⋅ing.| 1. | Often, bagpipes. a reed instrument consisting of a melody pipe and one or more accompanying drone pipes protruding from a windbag into which the air is blown by the mouth or a bellows. |
| 2. | Nautical. to back (a fore-and-aft sail) by hauling the sheet to windward. |
| bag·pipe (bāg'pīp') n. A musical instrument having a flexible bag inflated either by a tube with valves or by bellows, a double-reed melody pipe, and from one to four drone pipes. Often used in the plural. bag'pipe' v., bag'pip'er n. |
