To roll or curl inwards.
Turned inward at the margin, like the exterior lip of the shells of species in genus Cypraea.
Difficult to understand; complicated.
Having a complex pattern of coils in which younger whorls only partly surround older ones.
Rolled inward spirally.
Having the edges rolled with the adaxial side outward.
A curve that cuts all tangents of another curve at right angles; traced by a point on a string that unwinds from a curved object.
To move in a slalom-like manner.
To race in a slalom.
A race or competition wherein participants each perform the sport of slalom.
A course used for the sport of slalom.
The sport of skiing in a zigzag course through gates. (Often used attributively)
Any similar activity on other vehicles, including canoes and water skis.