Definition of echinus in English:

echinus

Syllabification: e·chi·nus
Pronunciation: /iˈkīnəs
 
/

noun (plural echini /-nī/)

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'.

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