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oculus

Syllabification: (oc·u·lus)
Pronunciation: /ˈäkyələs/

Definition of oculus

noun (plural oculi /-ˌlī, -ˌlē/)

Architecture
  • a round or eyelike opening or design, in particular.
  • a circular window.
  • the central boss of a volute.
  • an opening at the apex of a dome.

Origin:

mid 19th century: from Latin, literally 'eye'

oculus in other Oxford dictionaries

Definition of oculus in the British & World English dictionary