Webster’s Revised Unabridged Dictionary · 1913
Spatangus
Spa·tan′gus (spȧ·tăn̲′gŭs), n. [NL., fr. L. spatangius a kind of sea urchin, Gr. σπατάγγης.] (Zoöl.) A genus of heart-shaped sea urchins belonging to the Spatangoidea.
Webster’s Revised Unabridged Dictionary · 1913
Spa·tan′gus (spȧ·tăn̲′gŭs), n. [NL., fr. L. spatangius a kind of sea urchin, Gr. σπατάγγης.] (Zoöl.) A genus of heart-shaped sea urchins belonging to the Spatangoidea.