WordReference Random House Unabridged Dictionary of American English © 2025
spir•u•la
(spir′yə lə, -ŏŏ lə),USA pronunciation n., pl. -lae
-
(-lē′).USA pronunciation
- Invertebratesany cephalopod of the genus Spirula, having a flat, spiral shell that is partly inside and partly outside the posterior part of the body.
- Neo-Latin; Late Latin spīrula twisted cake. See spira, -ule
- 1825–35