noun, verb — 2 senses
Etymology From air + mark, modelled on landmark.
Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences A recognizable natural or man-made feature used for aerial navigation.
Etymology From air + mark, modelled on landmark.
Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences To mark airport names or identifiers so that they can be seen from the sky, to aid pilots in navigation.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.