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[ka-sey-shuh n, kuh-] /kæˈseɪ ʃən, kə-/
annulment; cancellation; reversal.
Music. an 18th-century instrumental suite for outdoor performance, similar to the divertimento and the serenade.
late Middle English
1375-1425; late Middle English cassacio(u)n < Medieval Latin cassātiōn- (stem of cassātiō), equivalent to Late Latin cassāt(us) past participle of cassāre to annul (cass- variant of Latin quass- (see quash) + -ātus -ate1) + -iōn- -ion
Related forms
cassational, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for cassation


(mainly law) (esp in France) annulment, as of a judicial decision by a higher court
Word Origin
C15: from Old French, from Medieval Latin cassātiō, from Late Latin cassāre to cancel, from Latin quassāre to quash
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for cassation

"anullment," early 15c., from Old French cassation, from casser, from Late Latin cassare, from Latin quassare (see quash).

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for cassation

in music, 18th-century genre for orchestra or small ensemble that was written in several short movements. It was akin to the 18th-century serenade and divertimento and, like these, was often intended for performance outdoors.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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