noun: Any of a class of folding or telescoping tools with a plier head as the central implement and with sets of peripheral implements (typically knife blades, screwdrivers, files, saws, can openers, bottle openers, scissors, and so on).
noun: Any similar tool with some other central implement (such as shears) or with no central implement, but sharing the themes otherwise.
noun: Any of a class of monolithic tools with various holes and edges that act as the multiple implements.
noun: An oscillating power tool that can perform multiple functions with different attachments.