ETYM as. pîpe, probably from Latin pipare, pipire, to chirp; of imitative origin. Related to Peep, Pibroch, Fife.
1. A hollow cylindrical shape; SYN. tube.
2. A long tube made of metal or plastic that is used to carry water or oil or gas etc.; SYN. pipage, piping.
3. A tube with a small bowl at one end; used for smoking tobacco; SYN. tobacco pipe.
4. A tubular wind instrument; SYN. tabor pipe.
5. Unit of liquid capacity equal to two hogsheads.

1. A portion of memory that can be used by one process to pass information along to another. Essentially, a pipe works like its namesake: it connects two processes so that the output of one can be used as the input to the other. See also input stream, output stream.
2. The vertical line character (-) that appears on a PC keyboard as the shift character on the backslash (\) key.
3. In MS-DOS and UNIX, a command function that transfers the output of one command to the input of a second command.

In music, a small woodwind instrument popular in the 13th century. A whistle flute played only with the left hand, it freed the right hand to play the traditional accompanying drum, the tabor.
“Pipe” is also a generic term used to describe the hollow cylinder or cone of woodwind and brass instruments in which air vibrates to generate sound; or one of many tubes which make up some musical instruments, as in an organ pipe or panpipes.

1. To play one a pipe.
2. To transport by pipeline; of oil, water, gas, etc.
3. To trim with piping, as of garments.