nnoun.artifacta duct that provides ventilation (as in mines)Synset:air duct air passage
Hypernyms:duct
Inherited Hypernyms:air passageductconduitpassagewayartifactwholeobjectphysical entityentity
Direct Hyponyms:breatherregisterschnorchelschnorkelsnorkelsnorkel breatherupcastventilation shaft
Part Meronyms:blowhole vent vent-hole venthole
Full Hyponyms:registersnorkelupcastventilation shaft
nnoun.locationa designated route followed by airplanes in flying from one airport to anotherSynset:air lane flight path skyway
Hypernyms:itinerary path route
Inherited Hypernyms:air lanepathlinelocationobjectphysical entityentity
Direct Hyponyms:approachapproach pathglide pathglide slopeholding pattern
Full Hyponyms:approach pathholding pattern
nnoun.bodythe passages through which air enters and leaves the bodySynset:respiratory tract
Part Holonyms:respiratory system systema respiratorium
Hypernyms:tract
Inherited Hypernyms:respiratory tracttractsystembody partpartthingphysical entityentity
Direct Hyponyms:lower respiratory tractupper respiratory tract
Full Hyponyms:lower respiratory tractupper respiratory tract
nnoun.artifacta commercial enterprise that provides scheduled flights for passengersSynset:airline airline business
Derivationally Related Form:airliner
Hypernyms:line
Inherited Hypernyms:airlinelinecarrierbusinessenterpriseorganizationsocial groupgroupabstractionentity
Part Meronyms:fleet