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.
Room windows are placed in corners, immediately in the line of sight from the entryway, deepening the sense of space. Chloe Arrojado, AFAR Media, 15 Apr. 2025 These stars are actually located in our own Milky Way galaxy and lie between the telescope's line of sight and NGC 2283. Samantha Mathewson, Space.com, 3 Mar. 2025 That could come in handy for mapping and monitoring large indoor spaces like warehouses and tunnels, search and rescue operations, taking inventory and moving packages between stockroom shelves – all without the the need for human operators to have these drones in their line of sight. New Atlas, 22 Feb. 2025 Meta has a knack of making monstrous investments with a clear line of sight to near-term returns without sacrificing the longer-term opportunities of widespread AI adoption. Zev Fima, CNBC, 30 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

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. 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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