The word pipe can refer to:
- a tubular man-made channel, generally round in cross section, for transporting or guiding a fluid substance.
- See plumbing and pipeline transport
- See plumbing and pipeline transport
- an exhaust pipe, for channelling waste fumes from an engine or stove
- certain musical instruments among the wind instruments, specifically woodwinds, characterized as being shaped like a pipe or collection of pipes.
- the flute or reed flute
- the recorder
- Instruments often referred to by the plural form "pipes":
- pan pipes
- the bagpipe
- A singer's vocal cords (slang)
- "Piping" as a verb means playing one of these instruments; The Pied Piper of Hamelin is said to have played such an instrument.
- a boatswain's pipe, also known as a bosun's whistle
- a smoking pipe, for the consumption of tobacco
- a water pipe, for the smoking of cannabis
- in computing:
- pipe is the name of the ASCII character at position 124 (decimal): |
- in the context of Unix operating systems, a pipe signifies that the output of one program feeds directly as input to another program. The Unix shell uses the pipe character (|) to join programs together. See Pipe (computing).
- in internet slang, a pipe refers to a data backbone, or broadband internet access.
- a vertical conduit through the Earth's crust below a volcano, through which magma has passed; often filled with volcanic breccia
- a method of icing a cake using a flexible decorating bag to force icing through a small nozzle to make various designs
- a large cask for storing fluids, especially wine or oil
- a decorative edging stitched to the hems or seams of an object made of fabric (clothing, hats, pillows, curtains, etc.); often a contrasting color
- a halfpipe is a semi-circular ramp for performing skateboarding tricks; by extension, a similar construction in snow for snowboarding
- a pipe (pasta) is a macaroni like type of pasta.