Main Entry: he·lix

Pronunciation: \ˈhē-liks\

Function: noun

Inflected Form(s): plural he·li·ces \ˈhel-ə-ˌsēz, ˈhē-lə-\ also he·lix·es \ˈhē-lik-səz\

1 : the incurved rim of the external ear
2 : a curve traced on a cylinder by the rotation of a point crossing its right sections at a constant oblique angle ; broadly : spiral 2—see alpha-helix, double helix