A section of a road or path that crosses over an obstacle, especially another road, railway, etc.
To pass above something, as when flying or moving on a higher road.
To exceed, overstep, or transcend a limit, threshold, or goal.
To disregard, skip, or miss something.
A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
A helix.
A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
Helical, like a spiral.
To increase continually.
To cause something to spiral.
To move along the path of a spiral or helix.