air duct

1. 1.

   a duct that provides ventilation (as in mines)

   Synonymsair passageairway

   Broaderduct

   Narrowerregistersnorkelupcastventilation shaft

   Partsvent

Questions about air duct

What does air duct mean?

air duct means "a duct that provides ventilation (as in mines)".

What is another word for air duct?

Close synonyms include air passage, airway. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is air duct a common word?

air duct is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.