SEARCHLIGHT
searchlight
(noun) a light source with reflectors that projects a beam of light in a particular direction
Source: WordNet® 3.1
Etymology
Noun
searchlight (plural searchlights)
A light source that projects a bright beam of light in any direction, generally for military use.
The light from the above source.
Hypernyms
• light
Verb
searchlight (third-person singular simple present searchlights, present participle searchlighting, simple past and past participle searchlighted)
(transitive) To scan or sweep across like a searchlight.
Proper noun
Searchlight
A census-designated place in Clark County, Nevada, United States.
Source: Wiktionary
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.
Source: Webster’s Unabridged Dictionary 1913 Edition