noun: Initialism of personal protective equipment. [Clothing, helmets, goggles, and other garments and equipment designed to protect the wearer's body from injury or infection.]
noun: Initialism of property, plant and equipment. [Something that is owned.]
noun: (UK) Initialism of Philosophy, Politics and Economics, a university degree course.
noun: (computing, historical) Initialism of PCBoard programming executable: a software component used to extend the features of a bulletin board system.