noun, Also, sky line
the boundary line between earth and sky; the apparent horizon:
A sail appeared against the skyline.
the outline of something, as the buildings of a city, against the sky:
the New York skyline.
verb (used with object), skylined, skylining.
to outline (something) against the sky.
the line at which the earth and sky appear to meet; horizon
the outline of buildings, mountains, trees, etc, seen against the sky
noun 1. a vehicle designed to be lifted by helicopter between an intown passenger terminal and an airport.
noun, plural skymen. Informal. 1. an aviator or paratrooper.
- Sky marker
noun 1. a parachute flare dropped to mark a target area
noun 1. an armed plainclothes federal marshal riding on an airliner to protect against skyjacking. noun 1. an armed security guard on a commercial aircraft