| 1. | pipes collectively; a system or network of pipes. |
| 2. | material formed into a pipe or pipes. |
| 3. | the act of a person or thing that pipes. |
| 4. | the sound of pipes. |
| 5. | a shrill sound. |
| 6. | the music of pipes. |
| 7. | a cordlike ornamentation made of icing, used on pastry. |
| 8. | a tubular band of ornamental material, sometimes containing a cord, used for trimming the edges and seams of clothing, upholstery, etc. |
| 9. | characterized by the peaceful music of the pipe. |
| 10. | playing on a musical pipe. |
| 11. | that pipes. |
| 12. | emitting a shrill sound: a piping voice. |
| 13. | piping hot, (of food or drink) very hot. |
noun, verb, piped, pip⋅ing.| 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.
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| 5. | Nautical.
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| 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.
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| 9. | any of various tubular or cylindrical objects, parts, or formations, as an eruptive passage of a volcano or geyser. |
| 10. | Mining.
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| 11. | Metallurgy. 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. | Botany. the stem of a plant. |
| 13. | to play on a pipe. |
| 14. | Nautical. to signal, as with a boatswain's pipe. |
| 15. | to speak in a high-pitched or piercing tone. |
| 16. | to make or utter a shrill sound like that of a pipe: songbirds piping at dawn. |
| 17. | to convey by or as by pipes: to pipe water from the lake. |
| 18. | to supply with pipes. |
| 19. | to play (music) on a pipe or pipes. |
| 20. | to summon, order, etc., by sounding the boatswain's pipe or whistle: all hands were piped on deck. |
| 21. | to bring, lead, etc., by or as by playing on a pipe: to pipe dancers. |
| 22. | to utter in a shrill tone: to pipe a command. |
| 23. | to trim or finish with piping, as an article of clothing. |
| 24. | Cookery. to force (dough, frosting, etc.) through a pastry tube onto a baking sheet, cake or pie, etc. |
| 25. | Informal. to convey by an electrical wire or cable: to pipe a signal from the antenna. |
| 26. | Slang. to look at; notice: Pipe the cat in the hat. |
| 27. | pipe down, Slang. to stop talking; be quiet: He shouted at us to pipe down. |
| 28. | pipe up,
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