RichThesaurus
air passage
air passage
synonyms
airway
air duct
well
shaft
inlet
vent
duct
channel
passage
outlet
flue
hole
opening
breather
chimney stack
pipeline
pipe
tube
chimney
space
funnel
smokestack
port
slit
aperture
blowhole
pore
gap
orifice
cleft
vent hole
conduit
cavity
canal
air passage
antonyms