Pipe n.
 1. A wind instrument of music, consisting of a tube or tubes of straw, reed, wood, or metal; any tube which produces musical sounds; as, a shepherd's pipe; the pipe of an organ. “Tunable as sylvan pipe.”
    Now had he rather hear the tabor and the pipe.   --Shak.
 2. Any long tube or hollow body of wood, metal, earthenware, or the like: especially, one used as a conductor of water, steam, gas, etc.
 3. A small bowl with a hollow stem, -- used in smoking tobacco, and, sometimes, other substances.
 4. A passageway for the air in speaking and breathing; the windpipe, or one of its divisions.
 5. The key or sound of the voice. [R.]
 6. The peeping whistle, call, or note of a bird.
    The earliest pipe of half-awakened birds.   --Tennyson.
 7. pl. The bagpipe; as, the pipes of Lucknow.
 8. Mining An elongated body or vein of ore.
 9. A roll formerly used in the English exchequer, otherwise called the Great Roll, on which were taken down the accounts of debts to the king; -- so called because put together like a pipe.
 10. Naut. A boatswain's whistle, used to call the crew to their duties; also, the sound of it.
 11.  A cask usually containing two hogsheads, or 126 wine gallons; also, the quantity which it contains.
 Pipe fitter, one who fits pipes together, or applies pipes, as to an engine or a building.
 Pipe fitting, a piece, as a coupling, an elbow, a valve, etc., used for connecting lengths of pipe or as accessory to a pipe.
 Pipe office, an ancient office in the Court of Exchequer, in which the clerk of the pipe made out leases of crown lands, accounts of cheriffs, etc. [Eng.]
 Pipe tree Bot., the lilac and the mock orange; -- so called because their were formerly used to make pipe stems; -- called also pipe privet.
 Pipe wrench, or Pipe tongs, a jawed tool for gripping a pipe, in turning or holding it.
 To smoke the pipe of peace, to smoke from the same pipe in token of amity or preparatory to making a treaty of peace, -- a custom of the American Indians.
 pipe wrench
      n : adjustable wrench for gripping and turning a pipe; has two
          serrated jaws that are adjusted to grip the pipe [syn: tube
          wrench]