Dictionary
cas•sa•tion
Pronunciation: (ka-sā'shun, ku-), [key]—
n.
1. annulment; cancellation; reversal.
2. Music.an 18th-century instrumental suite for outdoor performance, similar to the divertimento and the serenade.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.