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.
Still, the project gained regulatory approval from the Federal Aviation Administration in May for its drones to fly beyond the visual line of sight. Will McCurdy, PCMAG, 18 Jan. 2025 Since Saturn rotates on an axis tilted by 27 degrees, its tilt occasionally causes its rings to align with the line of sight from Earth. Jamie Carter, Forbes, 17 Jan. 2025 Photo : Gateway Bronco Recaro bucket seats, here finished with Pepita Houndstooth inserts, are mounted high in the cabin, which may block the line of sight for taller drivers due to the top of the windshield frame. Michael Van Runkle, Robb Report, 2 Nov. 2024 Moreover, tethered drones typically fly closer to the ground, which limits the line of sight required for visual detection. Vikram Mittal, Forbes, 19 Jan. 2025 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

Dictionary Entries Near line of sight

Cite this Entry

“Line of sight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20sight. Accessed 20 Feb. 2025.

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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