a chamber for testing the aerodynamic properties of aircraft, aerofoils, etc, in which a current of air can be maintained at a constant velocity
WordReference Random House Learner's Dictionary of American English © 2025
wind tun•nel /ˈwɪnd ˌtʌnəl/USA pronunciation n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Aeronauticsa chamber or small room shaped like a tunnel, in which an object, as an aircraft, can be studied to determine how it is affected by airflow of controlled speed.
wind′ tun′nel
(wind),USA pronunciation [Aeron.]
- Aeronauticsa tubular chamber or structure in which a steady current of air can be maintained at a controlled velocity, equipped with devices for measuring and recording forces and moments on scale models of complete aircraft or of their parts or, sometimes, on full-scale aircraft or their parts.
- 1910–15, American.
Collins Concise English Dictionary © HarperCollins Publishers::
'wind tunnel' also found in these entries (note: many are not synonyms or translations):