Architecture An eyelike opening or ornament, especially:(noun)
A round window.(noun)
A circular opening at the apex of a dome.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "oculus" in a sentence
"Skidmore, Owings & Merrill/John Blaustein An almond-shaped skylight or "oculus" is at the top of the building, through which sunlight shines in different patterns throughout the day."
""oculus" was sometimes applied to things that were seen to resemble eyes, and one such thing was the bud of a plant."
"I evoked the oculus in the coffered dome, an engineering feat as well as a symbolic gesture of colossal proportions."