oc·​u·​lus | \ ˈä-kyə-ləs How to pronounce oculus (audio) \
plural oculi\ ˈä-​kyə-​ˌlī How to pronounce oculi (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 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, "$10 million gift to help Library of Congress upgrade its Jefferson Building," 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, "My 27-Hour Vacation in Singapore’s Changi Airport," 2 Dec. 2019 Light bursts through the main area of the home through windows and an overhead oculus light. Elizabeth Gulino, House Beautiful, "This Quirky Looking Denver Dome House Has an Insane Indoor Pool," 10 May 2019 On the surface, the look is mid-19th century representational: Designer Christine Jones devised an elegantly curved room with a large oculus and gold wall decorations that look like trellised vines. Heidi Waleson, WSJ, "‘La Traviata’ at the Met Review: Marvelous Musicality," 5 Dec. 2018 The oculus, meanwhile, has transformed into a black felt rectangle seemingly tacked to the ceiling. Laura Regensdorf, Vogue, "This James Turrell Installation Is the Best Meditation Chapel in New York," 5 Aug. 2018 The new oculus is lit with orange light, and the corridors are lined with digital screens. Jason Laughlin, Philly.com, "SEPTA shows off new look for City Hall transit center," 19 June 2018 The $10 million work on the oculus and corridors began in earnest about two years ago, said Bob Lund, SEPTA’s assistant general manager of engineering, though before that structural repairs had already been done to repair leaks. Jason Laughlin, Philly.com, "SEPTA shows off new look for City Hall transit center," 19 June 2018 Depending on the season or the time of day, a glass oculus at the ceiling’s 18-foot peak can be opened or closed, regulating the temperature. Leilani Marie Labong, Sunset, "Living in an Eco-Friendly Yurt," 22 Jan. 2018

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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Time Traveler for oculus

Time Traveler

The first known use of oculus was in 1848

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Cite this Entry

“Oculus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oculus. Accessed 13 Jul. 2020.

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

Medical Definition of oculus

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Rhyming Dictionary: Words that rhyme with oculus

Britannica.com: Encyclopedia article about oculus

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