Answer:

flue

Answer	Crossword Clue
FLUE	Chimney channel
FLUE	Chimney passage
FLUE	Chimney insert

FLUE	Smoke duct
FLUE	Smoky passage
FLUE	Access for Claus
FLUE	Smoky duct
FLUE	Current director
FLUE	Smoky channel
FLUE	Ingress for Santa
FLUE	Chimney duct

FLUE	Chimney feature
FLUE	Drawing passage
FLUE	Drawing device
FLUE	Obstacle for Santa?
FLUE	...and his means of entry
FLUE	Part of a fireplace
FLUE	Smoke conduit
FLUE	Sooty spot

FLUE	Chimney cleaner's concern
FLUE	Smoke pipe
FLUE	Furnace duct
FLUE	Fireplace part
FLUE	Chimney part
FLUE	Sweeping target
FLUE	Smoke director
FLUE	Sweep's workplace

FLUE	Sooty passage
FLUE	Santa's passageway
FLUE	What a chimney sweep sweeps
FLUE	Sooty duct
FLUE	Part of a chimney.
FLUE	Chimney part.
FLUE	Shaft.
FLUE	Pipe.

FLUE	Stovepipe.
FLUE	Chimney.
FLUE	Hot air pipe.
FLUE	Passage for smoke.
FLUE	Smoke passageway.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.