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.
A pipe used to transport liquids or gases; SYN. line.
Any extended line of conduits for carrying water, oil, gas, or other material over long distances. Pipelines are widely used in water-supply and oil- and gas-distribution schemes. The us has 2.4 million km/1.5 million mi of pipeline (including over 300,000 km/200,000 mi of oil pipeline). One of the longest is the Trans-Alaskan Pipeline in Alaska. pipe-line