Definitions

1. adjective

relating to or resembling a helix; having a helical shape

“The helicoidal structure of the DNA molecule is crucial for its function.”

2. adjective

producing a helix or spiral

“The machine’s helicoidal cutting action made it ideal for drilling complex shapes.”

3. noun

a helix or spiral shape, especially one formed by a curve or twist

“The artist’s use of helicoidal patterns added a dynamic feel to her paintings.”

4. noun

a screw-like or spiral structure, especially one found in nature

“The unique helicoidal structure of the nautilus shell is a marvel of evolution.”