1. Plural of helix; spiral or coiled curves or structures.
Usage: Most common in geometry and biology contexts
2. In anatomy, the curved outer rim of the external ear.
Usage: Medical/anatomical term
3. In molecular biology, the double helix structure of DNA molecules.
Usage: Scientific term

Examples

• The DNA helices in the cell nucleus contain genetic information.
• The artist drew several helices to demonstrate the concept of spiraling motion.
• The helices of the ear are visible on the side of the head.
• Staircases often form helices as they wind upward.
• The spring's helices compress and expand when force is applied.