spiroid
/ˈspaɪrɔɪd/
adjective
- Having a spiral or coiled shape; resembling a spiral.
- The staircase was spiroid, winding upward around a central pillar.
- The plant's tendrils grew in a spiroid pattern as they climbed the trellis.
- The shell had a beautiful spiroid form that narrowed at the tip.
Antonyms