Pronunciation: (swich'bôrd", -bōrd"), [key]
1. a structural unit on which are mounted switches and instruments necessary to complete telephone circuits manually.
2. Also called lightboard. a panel of switches, dimmers, etc., for controlling the lighting on a stage or in an auditorium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.