Definition of flue
: an enclosed passageway for directing a current: such asa : a channel in a chimney for conveying flame and smoke to the outer airb : a pipe for conveying flame and hot gases around or through water in a steam boilerc : an air channel leading to the lip of a wind instrumentd : flue pipe
Recent Examples of flue from the Web
An intricate system of flues heats each pan evenly from beneath, as the brine solution thickens.
Flue The interior of every chimney is lined with a flue, which safely carries smoke and fumes from fireplaces, furnaces and other fuel-burning appliances.
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.
Origin and Etymology of flue
First Known Use: 1582See Words from the same year
FLUE Defined for English Language Learners
Definition of flue for English Language Learners
: a channel or pipe in a chimney for carrying flame and smoke to the outer air
FLUE Defined for Kids
Definition of flue for Students
: an enclosed passage for smoke or air
Seen and Heard
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