Main Entry:

flue

Pronunciation:

\ˈflü\

Function:

noun

Etymology:

origin unknown

Date:

1582

: an enclosed passageway for directing a current: 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