Definition of searchlight
: an apparatus for projecting a powerful beam of light; also : a beam of light projected by it
Recent Examples of searchlight from the Web
In the most recent image, a pair of searchlight beams blast from each end of the dusty torus around the central star.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'searchlight'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of searchlight
SEARCHLIGHT Defined for English Language Learners
Definition of searchlight for English Language Learners
: a very bright light that can be aimed in different directions and that is used to find people or things in the dark
SEARCHLIGHT Defined for Kids
Definition of searchlight for Students
: a lamp for sending a beam of bright light
Seen and Heard
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