Synonyms:
- O-shaped,
- ambagious,
- anfractuous,
- backhanded,
- circuitous,
- circular,
- cochlear,
- cochleate,
- corkscrew,
- corkscrewy,
- deviating,
- deviative,
- devious,
- digressive,
- discursive,
- excursive,
- helicoid,
- indirect,
- meandering,
- oblique,
- orbital,
- out-of-the-way,
- rotary,
- round,
- roundabout,
- screw-shaped,
- scrolled,
- spiral,
- spiroid,
- turbinal,
- turbinate,
- verticillate,
- volute,
- voluted,
- whorled