☞ It consists of a leather bag, which receives the air by a tube that is stopped by a valve; and three sounding pipes, into which the air is pressed by the performer. Two of these pipes produce fixed tones, namely, the bass, or key tone, and its fifth, and form together what is called the drone; the third, or chanter, gives the melody. [ 1913 Webster ]

To bagpipe the mizzen (Naut.), to lay it aback by bringing the sheet to the mizzen rigging. Totten. [ 1913 Webster ]

☞ It is called a mouth blowpipe when used with the mouth; but for both chemical and industrial purposes, it is often worked by a bellows or other contrivance. The common mouth blowpipe is a tapering tube with a very small orifice at the end to be inserted in the flame. The oxyhydrogen blowpipe, invented by Dr. Hare in 1801, is an instrument in which oxygen and hydrogen, taken from separate reservoirs, in the proportions of two volumes of hydrogen to one of oxygen, are burned in a jet, under pressure. It gives a heat that will consume the diamond, fuse platinum, and dissipate in vapor, or in gaseous forms, most known substances. [ 1913 Webster ]

2. A blowgun; a blowtube. [ 1913 Webster ]

Blowpipe analysis (Chem.), analysis by means of the blowpipe. --
Blowpipe reaction (Chem.), the characteristic behavior of a substance subjected to a test by means of the blowpipe. [ 1913 Webster ]

Many a hornpipe he tuned to his Phyllis. Sir W. Raleigh.

(c) A dance performed, usually by one person, to such a tune, and popular among sailors. [ 1913 Webster ]

We have piped unto you, and ye have not danced. Matt. xi. 17. [ 1913 Webster ]

2. (Naut.) To call, convey orders, etc., by means of signals on a pipe or whistle carried by a boatswain. [ 1913 Webster ]

3. To emit or have a shrill sound like that of a pipe; to whistle. “Oft in the piping shrouds.” Wordsworth. [ 1913 Webster ]

4. (Metal.) To become hollow in the process of solodifying; -- said of an ingot, as of steel. [ 1913 Webster ]

Now had he rather hear the tabor and the pipe. Shak. [ 1913 Webster ]

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. [ 1913 Webster ]

3. A small bowl with a hollow stem, -- used in smoking tobacco, and, sometimes, other substances. [ 1913 Webster ]

4. A passageway for the air in speaking and breathing; the windpipe, or one of its divisions. [ 1913 Webster ]

5. The key or sound of the voice. [ R. ] Shak. [ 1913 Webster ]

6. The peeping whistle, call, or note of a bird. [ 1913 Webster ]

The earliest pipe of half-awakened birds. Tennyson. [ 1913 Webster ]

7. pl. The bagpipe; as, the pipes of Lucknow. [ 1913 Webster ]

8. (Mining) An elongated body or vein of ore. [ 1913 Webster ]

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. Mozley & W. [ 1913 Webster ]

10. (Naut.) A boatswain's whistle, used to call the crew to their duties; also, the sound of it. [ 1913 Webster ]

11. [ Cf. F. pipe, fr. pipe a wind instrument, a tube, fr. L. pipare to chirp. See Etymol. above. ] A cask usually containing two hogsheads, or 126 wine gallons; also, the quantity which it contains. [ 1913 Webster ]

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. [ 1913 Webster ]

A robin . . . was piping a few querulous notes. W. Irving. [ 1913 Webster ]

2. (Naut.) To call or direct, as a crew, by the boatswain's whistle. [ 1913 Webster ]

As fine a ship's company as was ever piped aloft. Marryat. [ 1913 Webster ]

3. To furnish or equip with pipes; as, to pipe an engine, or a building. [ 1913 Webster ]

2. To clear off; as, to pipeclay accounts. [ Slang, Eng. ] [ 1913 Webster ]

2. (Polit. Cant) A politician who works in secret; -- in this sense, usually written as one word. [ U.S. ] [ 1913 Webster ]

2. (Polit. Cant) The act or method of making combinations for personal advantage secretly or slyly; -- in this sense, usually written as one word. [ U.S. ] [ 1913 Webster ]

2. fig. an information channel direct from the source. [ PJC ]

3. the set of stages and processes from the invention or design of a product to its ultimate use, production, or commercial sale. Used commonly in the phrase
in the pipeline, i. e. still in preparation or under development. [ PJC ]

2. (Zool.) (a) A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines. (b) A sea urchin (Goniocidaris hystrix) having very long spines, native of both the American and European coasts. [ 1913 Webster ]

To pay the piper, to bear the cost, expense, or trouble. [ 1913 Webster ]

Took a long reed for a pipestem. Longfellow. [ 1913 Webster ]