pipe
B1Pronunciation
UK
- /pˈaɪp/
US
- /ˈpaɪp/
Meanings
Noun
a hollow tube that carries liquid, gas, or other material
a small tube-shaped device used for smoking
a software channel or command operator that passes data between programs
More meaningsFewer meanings
a tube in an organ or a simple wind instrument that produces sound
Verb
to carry or supply something through pipes
to send data from one program or process to another
(slang)to have sex with someone
Beyond the definition
A pipe can be many things. Most often, it is a hollow tube that carries water, gas, oil, or something else from one place to another. You may think of the water pipes in a house or long lines that move oil across great distances. The word also means a small tool for smoking tobacco, usually with a bowl and a stem.
You might fix a leaky pipe under your sink, or notice someone holding a wooden smoking pipe. Sometimes the word appears in the phrase "pipe dream," which means a hope or plan that is not likely to happen. The word also has an older link to music, where it can mean a flute-like instrument or one of the tubes in an organ.
The word "pipe" is surprisingly versatile! At its core, it refers to a tubular object used for conveying something from one place to another. The most familiar image might be the pipes that carry water into your home or the gas lines that fuel your kitchen stove. Usually made of metal, plastic, or clay, these tubes form complex, hidden systems beneath our cities and within our walls.
However, a pipe is also a classic smoking device—a small bowl connected to a stem used for tobacco. This type of pipe often evokes traditional imagery, like that of Sherlock Holmes, and is typically crafted from materials like briar wood or meerschaum.
Beyond these physical objects, "pipe" appears in several common idiomatic expressions and verb forms. A "pipe dream" is an unrealistic hope or plan—something fanciful and unlikely to come true. As a verb, "to pipe" can mean to transport material via a conduit, or to speak up in a high-pitched tone (often "piping up"). You might also hear someone tell another to "pipe down" when they want them to be quiet, or describe a meal as "piping hot."
Historically, the word also refers to musical instruments like flutes and the massive tubes found in pipe organs. While less common in everyday conversation today, this connection highlights the original concept of a hollow tube producing sound. Whether you're dealing with plumbing, enjoying a tradition, or dismissing an impossible idea, "pipe" is a word that connects conveyance, music, and even fantasy.
Examples
- 1
Plumbing leak
Water was dripping from a pipe under the sink.
- 2
Home damage
A burst pipe flooded the kitchen while we were away.
- 3
Smoking
The old man sat by the fire and smoked a pipe.
- 4
Utility work
The workers laid new gas pipes along the street.
More examplesFewer examples
- 5
Water supply
Clean water is piped from the hills to several nearby villages.
- 6
Background music
The cafe pipes soft music into the dining room.
- Patternpipe something into + place
send it there through a system
- 7
Speaking suddenly
During the meeting, Maya piped up with a useful suggestion.
- Phrasepipe up
start speaking, especially suddenly
- 8
Informal request
Can you pipe down? I'm trying to sleep.
- Usagepipe down
be quiet; informal
- 9
Unrealistic plan
Starting a business with no money and no plan is just a pipe dream.
- Phrasepipe dream
a hope or plan that is not realistic
See also
Forms and spellings
4 forms open this card.
Main spelling
- pipenounverb
Forms
- pipespluralnounverb
- piping-ing formverbnoun
- pipedpast tenseverbnoun