air duct

American  

noun

1. an enclosure, usually of sheet metal, that conducts heated or conditioned air.

---

Etymology

Origin of air duct

First recorded in 1865–70

Example Sentences

Generally, you will only need an air duct cleaning once every few years.

From Seattle Times • Feb. 26, 2024

Authorities allege that Moscoso “acknowledged being an air duct cleaner and not being involved in food vending services” and said he did not recognize the invoices.

From Los Angeles Times • Oct. 13, 2021

Mr. Londonio had initially considered escaping through an air duct in the prison’s gym but soon realized he wouldn’t fit, the F.B.I. agents wrote in their report.

From New York Times • Oct. 18, 2019

For years, it has been embroiled in lawsuits over its publication of fire and electrical safety standards, air duct leakage standards, nonprofit tax returns and European Union baby pacifier regulations.

From Washington Times • Jun. 26, 2019

“No!” yelled Gregor as he lunged for her, but Boots’s tiny frame seemed to be sucked into the air duct.

From "Gregor the Overlander" by Suzanne Collins