Dictionary

helicoid

adjective he·li·coid \ˈhe-lə-ˌkid, ˈhē-\

Definition of HELICOID

1
:  forming or arranged in a spiral
2
:  having the form of a flat coil or flattened spiral <helicoid snail shell>

Variants of HELICOID

he·li·coid or he·li·coi·dal \ˌhe-lə-ˈki-dəl, ˌhē-\

First Known Use of HELICOID

circa 1704

helicoid

adjective he·li·coid \ˈhel-ə-ˌkid, ˈhē-lə-\   (Medical Dictionary)

Medical Definition of HELICOID

1
:  forming or arranged in a spiral
2
:  having the form of a flat coil or flattened spiral

Variants of HELICOID

he·li·coid or he·li·coi·dal \ˌhel-ə-ˈkid-əl, ˌhē-lə-\

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