noun
- A toroidal shape.
- usage: "a ring of ships in the harbor"; "a halo of smoke"
- synonyms: ring, halo, doughnut, anchor ring
- Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar. (.
- synonyms: skirt
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Annulus. Retrieved September 21, 2026, from http://smartdefine.org/annulus/definitions/1241953 |
| Chicago | WordNet. 2010. "Annulus" http://smartdefine.org/annulus/definitions/1241953 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Annulus, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/annulus/definitions/1241953>. |
| MLA | WordNet. "Annulus" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/annulus/definitions/1241953> |