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
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However, for the best view, choose a location with a clear, unobstructed view of the western horizon, free from buildings, trees, or hills that could block your line of sight while the planet is still relatively low. Valerie Mesa, PEOPLE, 6 May 2026 The company also allegedly provides refunds when the line of sight into Wrigley Field is obstructed. Michael McCann, Sportico.com, 4 May 2026 Onscreen, Maddy is seated with a direct line of sight to Cassie and Nate during the newlyweds’ first dance, which, unbeknownst to Maddy and the other attendees, happens directly after Naz confronts Nate about his shady business dealings. Zoe Papelis, Vulture, 27 Apr. 2026 This included enlarging cabin windows into observation viewports and carving open portals into the belly of the fuselage, allowing high-tech sensors and remote-sensing instruments a clear line of sight to the world below. Mrigakshi Dixit, Interesting Engineering, 24 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

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Cite this Entry

“Line of sight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20sight. Accessed 7 May. 2026.

Medical Definition

line of sight

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