noun (helixes, pl2=helices)
proper noun Helix
- (mathematics) A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.
- (architecture) A small volute under the abacus of a Corinthian capital.
- (anatomy) The incurved rim of the external ear.
Etymology: From helixLatin, helix < Ancient Greek (polytonic, á") (helix) "something twisted or spiral"
- (zoology) A genus of land snail containing many species.
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Full Definition of helix