I. kaˈsāshənˌ kə- noun
( -s )
Etymology: Middle English cassacioun, from Middle French cassation, from casser to annul + -ation — more at quash
: the act of annulling, canceling, or quashing : abrogation
a general cassation of their constitutions — J.L.Motley
— see court of cassation
II. noun
( -s )
Etymology: German kassation, from German dialect (originally students' slang) kassation, gassation serenade, from kassaten, gassaten (in the phrase kassaten gehen, gassaten gehen, gassatim gehen to roam the streets at night serenading ladies or looking for love affairs or fights), from German gasse street, from Old High German gazza — more at gate
: an 18th century instrumental composition in several short movements that is similar in style to the serenade and often performed outdoors