he·lix 
/ˈhi:lɪks/ noun
plural he·li·ces /ˈhi:lɪks/ noun /ˈhɛləˌsi:z/ also he·lix·es [count] : the shape formed by a line that curves around and along a central line : spiral — see also double helix
— he·li·cal /ˈhɛlɪkəl/ adjective
/ˈhɛlɪkəl/ adjective
