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.
Based on its current customer list, Arm has a line of sight to more than $1 billion in chip demand over the next two years. Jeff Marks, CNBC, 20 Apr. 2026 King even recalled a time her own dog, Oliver, crossed into the Queen's line of sight. Zoey Lyttle, PEOPLE, 19 Apr. 2026 This choice makes those images that do stand in for Sasha’s line of sight all the more startling and forceful. Richard Brody, New Yorker, 12 Apr. 2026 The blackout occurred after the spacecraft lost line of sight to Earth, with the Moon blocking satellite communications entirely. Bonny Chu, FOXNews.com, 6 Apr. 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 29 Apr. 2026.

Medical Definition

line of sight

noun
1
: a line from an observer's eye to a distant point
2
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