The Collaborative International Dictionary
Traversing platform
Traversing \Trav"ers*ing\, a. Adjustable laterally; having a lateral motion, or a swinging motion; adapted for giving lateral motion.
Traversing plate (Mil.), one of two thick iron plates at
the hinder part of a gun carriage, where the handspike is
applied in traversing the piece.
--Wilhelm.
Traversing platform (Mil.), a platform for traversing guns.