Meanings
nounair door (plural air doors)
plural air doors
- A device used to prevent air, contaminants, or flying insects from moving from one open space to another.
Synonyms: air curtain
- An air-operated door, using compressed air to open and close it.
The vehicles had roller bearings, electro-pneumatic control, automatic acceleration, and air doors, and were much welcomed by the public.
1958 August 29, T. S. Lascelles, “Diamond Jubilee of the Waterloo & City Railway”, in Railway Magazine, page 524
Synonyms & antonyms
nounA device used to prevent air, contaminants, or flying insects from moving from one open space to another.
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Cite this entry
APA
air door. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/air%20door
MLA
“air door.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/air%20door. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “air door,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/air%20door.
Source: air door on Wiktionary, CC BY-SA 4.0.