What is the meaning of Skyline?

The line that seems to be the boundary of the sky and the ground; the horizon.

The horizontal silhouette of a city or building against the sky.

A path of movement, especially military movement, producing a silhouette above terrain features visible from the location of likely observers.

A panel on the front page of a newspaper outlining some of the features to be found inside.

Short for skyline operator.

To outline something against the sky.

To filter by means of the skyline operator.

skyline

skyline (silhouette of a city’s buildings)

skyline

Source: wiktionary.org