line of sight

noun phrase

1
: a line from an observer's eye to a distant point
2
: the line between two points
specifically : the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the horizon

Examples of line of sight in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The video shows McEntire posing for photos in front of a white wall as her fiancé stands in a doorway to her left, just outside of her line of sight. Wesley Stenzel, Entertainment Weekly, 27 Jan. 2026 The adult child had no direct line of sight to the rooftop sniper’s perch, only to where Kirk was sitting, according to a prosecution filing. Michael Ruiz , Adriana James-Rodil , Stepheny Price, FOXNews.com, 16 Jan. 2026 Subscribers need to have equipment, including an antenna that requires a line of sight to the satellite, so it must be deployed in the open, where it could be spotted by authorities. David Rising, Los Angeles Times, 14 Jan. 2026 Although Arecibo’s line of sight only encompassed about a third of the entire sky, that still included most stars in the Milky Way galaxy. Andrew Paul, Popular Science, 14 Jan. 2026 See All Example Sentences for line of sight

Word History

First Known Use

1559, in the meaning defined at sense 1

Time Traveler
The first known use of line of sight was in 1559

Browse Nearby Words

Cite this Entry

“Line of sight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20sight. Accessed 3 Feb. 2026.

Medical Definition

line of sight

noun
1
: a line from an observer's eye to a distant point
2
Last Updated: - Updated example sentences
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