| Word | Definitions | Synonyms |
|---|---|---|
| vortex | (noun) a powerful circular current of water (usually the result of conflicting tides) | Synonyms: maelstrom, whirlpool |
| (noun) the shape of something rotating rapidly | Synonyms: convolution, swirl, whirl | |
| vorticella | (noun) any of various protozoa having a transparent goblet-shaped body with a retractile stalk | - |