Definition of pegboards:
(n) :
A board that has a pattern of holes into which pegs are fitted; used especially to record the score in some card games.
(n) :
A perforated form of hardboard.
(n) :
A metal board attached to the base of a metal display unit (FSDU) from which shelves, hooks or bars are attached (when bars are attached, they subsequently have pegs clipped onto them)
(v) :
(transitive) To fit or furnish with pegboard.