Definition of echinus in English:

echinus

noun

  • 1Zoology
    A sea urchin.

  • 2Architecture
    A rounded moulding below an abacus on a Doric or Ionic capital.

Origin

Late Middle English: via Latin from Greek ekhinos hedgehog, sea urchin.

Pronunciation:

echinus

/ɪˈkʌɪnəs/