echinus /əˈkīnəs, əˈkaɪnəs
/ ▸ noun 1 Zoology a sea urchin. Genus
Echinus, class
Echinoidea: several species, including the common European
edible sea urchin (
E. esculentus)
. 2 Architecture a rounded molding below an abacus on a Doric or Ionic capital. – ORIGIN late Middle English : via Latin from Greek ekhinos ‘hedgehog, sea urchin’.