Pronunciation: (wēk'nīt"), [key]
any night of the week, usually except Saturday and Sunday.
Also,week•night•lyPronunciation: (wēk'nīt"lē). [key]of, on, or for a weeknight: the weeknight lineup of TV programs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.