rotating beacon

noun — 2 senses

rotating beacon

noun
1

Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences US A rotating location light installed at an airport, allowing the type of airport to be determined by the color and speed of the rotation.

2

Used other than figuratively or idiomatically: see rotating, beacon.

  • the rotating beacon on top of a police car

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.