Definition of helix:
- A caulicule or little volute under the abacus of the Corinthian capital.
- A genus of land snails, including a large number of species.
- A nonplane curve whose tangents are all equally inclined to a given plane. The common helix is the curve formed by the thread of the ordinary screw. It is distinguished from the spiral, all the convolutions of which are in the plane.
- The incurved margin or rim of the external ear. See Illust. of Ear.
- "Somehow Good", William de Morgan.
The case within which it turns is simply an elastic tube of leather or other suitable material, within which is wound a single helix of wire fitting its inside tightly, the inside diameter of the helix being a little greater than the outside diameter of the shaft, and wound in a contrary direction to the outer helices of the shaft.- "Modern Machine-Shop Practice, Volumes I and II", Joshua Rose.
- "The Boy Scout Fire Fighters", Irving Crump.