—n. 1. a hollow cylinder of metal, wood, or other material, used for the conveyance of water, gas, steam, petroleum, etc.
2. a tube of wood, clay, hard rubber, or other material, with a small bowl at one end, used for smoking tobacco, opium, etc.
3. a quantity, as of tobacco, that fills the bowl of such a smoking utensil.
4. Music. a. a tube used as, or to form an essential part of, a musical wind instrument.
b. a musical wind instrument consisting of a single tube of straw, reed, wood, or other material, as a flute, clarinet, or oboe.
c. one of the wooden or metal tubes from which the tones of an organ are produced.
d. a small end-blown flute played with one hand while the other beats a small drum.
5. Naut. a. See boatswain's pipe. b. the sound of a boatswain's pipe.
6. the call or utterance of a bird, frog, etc.
7. pipes,Informal.the human vocal cords or the voice, esp. as used in singing.
8. Usually, pipes. a. Music.bagpipe.
b. a set of flutes, as a panpipe.
c. Informal.a tubular organ or passage of a human or animal body, esp. a respiratory passage: to complain of congested pipes. 9. any of various tubular or cylindrical objects, parts, or formations, as an eruptive passage of a volcano or geyser.
10. Mining. a. a cylindrical vein or body of ore.
b. (in South Africa) a vertical, cylindrical matrix, of intrusive igneous origin, in which diamonds are found.
11. Metall.a depression occurring at the center of the head of an ingot as a result of the tendency of solidification to begin at the bottom and sides of the ingot mold.
12. Bot.the stem of a plant.
—v.i. 1. to play on a pipe.
2. Naut.to signal, as with a boatswain's pipe.
3. to speak in a high-pitched or piercing tone.
4. to make or utter a shrill sound like that of a pipe: songbirds piping at dawn.
—v.t. 1. to convey by or as by pipes: to pipe water from the lake. 2. to supply with pipes.
3. to play (music) on a pipe or pipes.
4. to summon, order, etc., by sounding the boatswain's pipe or whistle: all hands were piped on deck. 5. to bring, lead, etc., by or as by playing on a pipe: to pipe dancers. 6. to utter in a shrill tone: to pipe a command. 7. to trim or finish with piping, as an article of clothing.
8. Cookery.to force (dough, frosting, etc.) through a pastry tube onto a baking sheet, cake or pie, etc.
9. Informal.to convey by an electrical wire or cable: to pipe a signal from the antenna. 10. Slang.to look at; notice: Pipe the cat in the hat. 11. pipe down,Slang.to stop talking; be quiet: He shouted at us to pipe down. 12. pipe up, a. to begin to play (a musical instrument) or to sing.
b. to make oneself heard; speak up, esp. as to assert oneself.
c. to increase in velocity, as the wind.
Pronunciation: (pīp),[key] —n. 1. a large cask, of varying capacity, esp. for wine or oil.
2. such a cask as a measure of liquid capacity, equal to 4 barrels, 2 hogsheads, or half a tun, and containing 126 wine gallons.
3. such a cask with its contents.