water pipe

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. A pipe that is a conduit for water.
• n. An apparatus for smoking, such as a hookah, in which the smoke is drawn through a container of water or ice and cooled before inhaling.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A pipe that is a conduit for water; an essential element of plumbing.
• n. A device for smoking, such as a hookah or bong, in which the smoke is drawn through a container of water before inhaling.

from the GNU version of the Collaborative International Dictionary of English

• A pipe for conveying water.

from The Century Dictionary and Cyclopedia

• n. A narghile or hooka.
• n. A pipe for conveying water. Wright Vocabulary.
• n. A waterspout.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water