Freebase(2.00 / 1 vote)Rate this definition: Proletariat. The proletariat is a term used to describe the class of wage-earners in a capitalist society whose only possession of significant material value is their labor; a member of such a class is a proletarian.
IBM Rational DOORS is a requirements management application for optimizing requirements communication, collaboration and verification throughout your organization and supply chain. This scalable solution can help you meet business goals by managing project scope and cost.
A deadbolt is a locking mechanism that mounts much like a door knob. Most exterior doors are locked with a door knob, and also a deadbolt. The deadbolt bore hole is directly above the door knob hole. When a lever is turned, a solid steel cylinder is inserted deep into the door jamb to securely lock the door.