What is the meaning of Pegboard?

A board that has a pattern of holes into which pegs are fitted; used especially to record the score in some card games.

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)

A perforated form of hardboard.

To fit or furnish with pegboard.

Source: wiktionary.org