You searched for: “holophote
1. A lamp with lenses or reflectors to collect the rays of light and throw them in a given direction; such as, those used in lighthouses.
2. An apparatus by which practically all the light from a lighthouse lamp or the like is thrown in a desired direction.
This entry is located in the following units: holo-, hol- (page 2) photo-, phot-, -photic (page 3)