\ˈflü \

Definition of flue 

: an enclosed passageway for directing a current: such as

a : a channel in a chimney for conveying flame and smoke to the outer air

b : a pipe for conveying flame and hot gases around or through water in a steam boiler

c : an air channel leading to the lip of a wind instrument

d : flue pipe

Examples of flue in a Sentence

Recent Examples on the Web

Even the two large flues on the rooftop where the smoke and flame could have vented out were boarded shut. Francine Uenuma, Smithsonian, "The Iroquois Theater Disaster Killed Hundreds and Changed Fire Safety Forever," 12 June 2018 Get heat: Open the flue and build a nice big fire in the prepared fireplace. Debbi Snook, cleveland.com, "Michael Symon's Fireplace Chicken on a String (recipe)," 11 Apr. 2018 To claim a share of the $15m on offer, winners will have to turn carbon dioxide extracted from power-plant flues into something useful—and do so profitably. The Economist, "$15m is available to solve a burning problem," 9 Apr. 2018 Make sure there are no paper or other flammables near the fireplace, and always make sure that the flue is open before each use. Don Sorrell, Cincinnati.com, "Dried-out trees are a major safety hazard," 17 Dec. 2017 Inspect, clean and repair fireplace elements, including the chimney and flue, especially for wood-burning fireplaces. Pat Setter, sandiegouniontribune.com, "Quick fall home maintenance tasks now can prevent crises later," 14 Oct. 2017 That's why most bats enter houses through open chimney flues or attics. Health.com, "The Best (and Safest!) Way to Catch a Loose Bat in Your Home," 8 Sep. 2017 An intricate system of flues heats each pan evenly from beneath, as the brine solution thickens. Nick Paumgarten, Bon Appetit, "The History of Maldon Salt, the Stuff You Already Put on Everything," 31 Mar. 2017 The flue is typically made of square or rectangular sections of clay pipe, called flue tiles. Elle Decor Staff, ELLE Decor, "Anatomy of a Roof," 15 May 2008

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flue.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flue

1582, in the meaning defined above

History and Etymology for flue

origin unknown

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Time Traveler for flue

The first known use of flue was in 1582

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More Definitions for flue



English Language Learners Definition of flue

: a channel or pipe in a chimney for carrying flame and smoke to the outer air


\ˈflü \

Kids Definition of flue

: an enclosed passage for smoke or air

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Comments on flue

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