oc·​u·​lus | \ ˈä-kyə-ləs How to pronounce oculus (audio) \
plural oculi\ ˈä-​kyə-​ˌlī How to pronounce oculus (audio) , -​ˌlē \

Definition of oculus

1 : a circular or oval window
2 : a circular opening at the top of a dome

Examples of oculus in a Sentence

Recent Examples on the Web As the sky grew darker, our journey drew to a close; the dome brightened to a crescendo of almost blinding white, and the oculus appeared as a flat, solid disk of inky black, with no color or feature or hint of anything to suggest the world beyond. BostonGlobe.com, 8 June 2021 Generous windows and an oculus draw light into the depths of the wings, which feature a range of flexible study and gathering spaces. Los Angeles Times, 6 May 2021 In a ring beneath the oculus are eight digital projectors, each directed against a mirror, their beams fine-tuned to compensate for any glare or hot spots. Michael J. Lewis, WSJ, 9 Dec. 2020 In the Pantheon, in midwinter, Sophia thrust her hands into the single column of falling snow, a white ghost in the middle of the rotunda swirling down from the dome's central oculus. Stanley Stewart, Condé Nast Traveler, 22 Mar. 2021 Even inside that charred interior, you are not cut off: The world enters through that oculus, reminding you it’s there. Ligaya Mishan, New York Times, 21 Sep. 2020 High overhead, an open hole, or oculus, invited the sky in. Gaia Squarci, Smithsonian Magazine, 18 Sep. 2020 Designers also plan to cut a hole in the cement, brick, and iron ceiling of the ground floor and install a 25-foot-wide glass oculus through which visitors can see the building’s ornate dome far above the first-floor reading room. Michael E. Ruane, BostonGlobe.com, 13 Feb. 2020 Changi’s website reads like a brochure for an all-inclusive resort: free movies in 24-hour theaters, retro arcade games, light-and-sound shows starring the soaring waterfall spilling from an oculus in a roof. Stephanie Rosenbloom, New York Times, 2 Dec. 2019

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.

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First Known Use of oculus

1848, in the meaning defined at sense 1

History and Etymology for oculus

Latin, literally, eye — more at eye

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Statistics for oculus

Last Updated

12 Jun 2021

Cite this Entry

“Oculus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oculus. Accessed 13 Jun. 2021.

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More Definitions for oculus


oc·​u·​lus | \ ˈäk-yə-ləs How to pronounce oculus (audio) \
plural oculi\ -​yə-​ˌlī How to pronounce oculus (audio) \

Medical Definition of oculus

More from Merriam-Webster on oculus

Britannica.com: Encyclopedia article about oculus


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