What is "terminuses"

Usage examples of "terminuses".

The overlapping terminuses of their beams showed they had both judged the origin of the sound to have come from a rock formation along the far shore of what would have been, with water, a lake larger than the lagoon outside.

That crucial time lapse allowed the tremendous spacial flaws accompanying the opening of the voidhawks’ terminuses to remain undetected.

To add to the confu­sion, Paris also has two separate terminuses, each serving different airports.