Reflector

n.	1.	One who, or that which, reflects.
	2.	(Physics) Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc.

Noun	1.	reflector - device that reflects radiation
	2.	reflector - optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece; "Isaac Newton invented the reflecting telescope in 1668" Synonyms: reflecting telescope

Cassegrainian telescope, Newtonian telescope, OAO, OSO, astronomical observatory, astronomical telescope, cheval glass, coelostat, concave mirror, convex mirror, coronagraph, coronograph, distorting mirror, glass, hand mirror, heliostat, looking glass, mirror, observatory, orrery, pier glass, planetarium, radar telescope, radio observatory, radio telescope, rear-view mirror, refractor, seeing glass, shaving mirror, spectrograph, spectroheliograph, spectrohelioscope, spectroscope, speculum, telescope, window mirror