Spiral staircase, essentially (5 letters)

{ Answer }

HELIX

{ Related Clues }

Coil
Screw
A spiral
Spiral
DNA half
DNA structure
DNA's double ___
Genetic structure
Double ___ (DNA structure)
Thread of a screw, e.g.
Toy Slinky, essentially

{ Tags }

coil, dna, dnas, double, eg, essentially, genetic, half, helix, screw, slinky, spiral, staircase, structure, thread, toy

{ Notes }

The answer HELIX is seen occasionally, appearing about once every 950 puzzles.

{ Definition }

HELIX as a noun:

1. (helix, spiral) = a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle

2. (coil, spiral, volute, whorl, helix) = a structure consisting of something wound in a continuous series of loops; "a coil of rope"

3. (Helix, genus Helix) = type genus of the family Helicidae