Definitions for: Searchlight

[n] a light source with reflectors that projects a beam of light in a particular direction

Webster (1913) Definition: Search"light`, n.
(a) An apparatus for projecting a powerful beam of light of
approximately parallel rays, usually devised so that it
can be swiveled about.
(b) The beam of light projecting by this apparatus.

See Also: Fresnel lens, light, light source