flue

definition: a conduit to carry off smoke
example:
speech part: noun
synonyms:
definition: organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
example:
speech part: noun
synonyms: flue pipe labial pipe
definition: flat bladelike projection on the arm of an anchor
example:
speech part: noun
synonyms: fluke

How flue is being used?