¹ Source: wiktionary.com
Medical Definition of Sea urchins
1. Somewhat flattened, globular echinoderms of the class echinoidea, having thin, brittle shells of calcareous plates. (12 Dec 1998)
Lexicographical Neighbors of Sea Urchins
Other Resources:
¹ Source: wiktionary.com
1. Somewhat flattened, globular echinoderms of the class echinoidea, having thin, brittle shells of calcareous plates. (12 Dec 1998)