To move along the path of a spiral or helix.
To increase continually.
To cause something to spiral.
A helix.
A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
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 revolve or spin like a top; to whirl.
A turbinal or turbinate bone.
Shaped or spinning like a top (spinning top).
In the shape of a coil.
Of, or relating to, the turbinate bone.
Spiral and decreasing sharply in diameter from base to apex.