Etymology
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helix (n.)

"a spiral thing," 1560s, originally of the volutes of Corinthian capitals, from Latin helix "spiral, a volute in architecture," from Greek helix (genitive helikos), a word used of anything in a spiral shape (an armlet, a curl of hair, the tendril of a vine, a serpent's coil), which is related to eilein "to turn, twist, roll," from PIE *wel-ik-, from root *wel- (3) "to turn, revolve," from PIE root *wel- (3) "to turn, revolve." The classical plural is helices.

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Definitions of helix
1
helix (n.)
a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle;
Synonyms: spiral
helix (n.)
a structure consisting of something wound in a continuous series of loops;
Synonyms: coil / spiral / volute / whorl
2
Helix (n.)
type genus of the family Helicidae;
Synonyms: genus Helix
From wordnet.princeton.edu