generalized anxiety disorder: an anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling or lightheadedness or irritability etc that has lasted for more than six months
mental disorder: (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
saber saw: a portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut; generally have a plate that rides on the surface that is being cut