IPA: /ˈhɛlɪkəl/
KK: /ˈhɛlɪkəl/
Having a shape that is spiral or resembles a coil.
The helical staircase spiraled elegantly to the second floor.
Helical → It is formed from "helix" (from Greek "helix", meaning spiral or coil) and the suffix "-al" (meaning pertaining to). The word "helical" describes something that is shaped like or related to a spiral or coil.
Imagine a spiral shape when you think of 'helix' — that's why 'helical' means something that has a spiral form.