Definition of "sked"

Smaller-town indies are lopping off early-week skeds with winter among us.

1989, The Film Journal, volume 92, numbers 1-6

Gibbs saying that the reason HRC delayed releasing her sked was that she was “hiding” something, […]

2008 March 20, Ana Marie Cox, “Obama Conference Call”, in Times‎, retrieved 20150315

Plan of the Pennsylvania State Council of Defense to ring in a State-wide network of 45 stations for an "educational" blackout test, was nixed by the Office of Censorship after it was okayed by the Third Service Command of the army. Skedded for Thursday (8), purpose of the broadcast was to educate public with air raid warning signals and all Pennsylvanians were urged to listen to instructions as broadcast.

1943 July 17, “Philly Kiboshes Blackout Tutoring”, in The Billboard: The World’s Foremost Amusement Weekly, volume 55, number 29, Cincinnati, Oh.: Roger S. Littleford Jr.; William D. Littleford, page 6, column 1

Actually NBC and other webs have used similar devices in the past, particularly during the war, when net used plattered segments for its news and documentary stanzas. As far as can be determined, however, this is the first post-war instance in which the net has allowed even a partial plattering of a regularly skedded commercial stanza.

1957 December 30, “NBC Breaks Wax Rule for Hope's Britain Shows”, in Billboard, volume 59, number 45, page 5