magnum opus
noun
a great work, especially the chief work of a writer or artist: Proust's magnum opus is Remembrance of Things Past.
Origin of magnum opus
Borrowed into English from Latin around 1785–95
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
magnum opus
noun
Word Origin for magnum opus
Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Online Etymology Dictionary, © 2010 Douglas Harper
magnum opus
[(mag-nuhm oh-puhs)]
The New Dictionary of Cultural Literacy, Third Edition
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