Definition of "low beam" []

• The beam of a vehicle's headlight that provides short-range illumination. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Michael Harsch came through the house, stooping his head where the low beam crossed a crooked passage, turned the handle of the sitting-room door, and came in with something of the air of a man who comes home."