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.
To determine any position, a GPS typically needs a line of sight from four satellites. Katie Hunt, CNN Money, 6 Mar. 2026 The firm also found existing vegetation on the north side of the road would need to be cleared to create a clear line of sight at the intersection. Jenna Ebbers, Kansas City Star, 4 Mar. 2026 The eclipse will be visible from any line of sight to the moon without any special equipment, NASA says, though a dark environment, binoculars or a telescope can enhance the view. Grace Zokovitch, Boston Herald, 2 Mar. 2026 The gates also appeared to be closed, and a set of brick walls had been erected in front of the glass front of the building, blocking a direct line of sight from the parking lot. Lucas Finton, Memphis Commercial Appeal, 2 Mar. 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 9 Mar. 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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