airmark

English

Etymology

From air +‎ mark, modelled on landmark.

Noun

airmark (plural airmarks)

1. (aviation) A recognizable natural or man-made feature used for aerial navigation.

Verb

airmark (third-person singular simple present airmarks, present participle airmarking, simple past and past participle airmarked)

1. (aviation) To mark airport names or identifiers so that they can be seen from the sky, to aid pilots in navigation.