A spiral; a series of spiral curves or coils.
Geometry. A continuous curve traced by a point moving round a fixed point in the same plane while steadily increasing (or diminishing) its distance…
Subcategories:
— spiral conformation or character (5)
— helix (2)
— a single coil in a spiral or helix (3)
— spiral or helical object (5)
— spiral design or figure (2)
— helical grooving or ridging (1)