oculus

play
noun oc·u·lus \ˈä-kyə-ləs\

Definition of oculus

plural

oculi

play \ˈä-kyə-ˌlī, -ˌlē\
  1. 1 :  a circular or oval window

  2. 2 :  a circular opening at the top of a dome

Recent Examples of oculus from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oculus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of oculus

Latin, literally, eye — more at eye


Medical Dictionary

oculus

play
noun oc·u·lus \ˈäk-yə-ləs\

Medical Definition of oculus

plural

oculi

\-yə-ˌlī\play
  1. :  eye 1


Learn More about oculus


Seen and Heard

What made you want to look up oculus? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an extremely thin woman

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!