What is "skysill"

Usage examples of "skysill".

They first appeared as two bumps rolling over the skysill, which quickly proved to be the connected outer points of a low ridge.

Gradually it became clear that the skysill was very far away, and also very high.

He was actually a bit relieved when Coyote turned their car around and drove off, and the blurry view disappeared, the edge of the cliff becoming a new skysill behind them.

Jovis Tholus was a bigger volcano than Tharsis Tholus, bigger in fact than any volcano on Earth, but it was located on the high saddle between Ascraeus Mons and Olympus Mons, and both were visible on skysills to east and west, bulking like vast plateau continents, and making Jovis seem compact, friendly, comprehensible-a hill you could walk up if you wanted to.

Up there they could see the trees and rooftops of the city, and the jagged array of boulders standing on the black skysill It was the last hour of twilight, and except for a wedge of lavender in the west the sky was a rich midnight blue, liberally flecked with stars.

Jovis Tholus was a bigger volcano than Tharsis Tholus, bigger in fact than any volcano on Earth, but it was located on the high saddle between Ascraeus Mons and Olympus Mons, and both were visible on skysills to east and west, bulking like vast plateau continents, and making Jovis seem compact, friendly, comprehensible—a hill you could walk up if you wanted to.