crosshair

noun

cross·​hair ˈkrȯs-ˌher How to pronounce crosshair (audio)
: a fine wire or thread in the focus of the eyepiece of an optical instrument used as a reference line in the field or for marking the instrumental axis
used figuratively to describe someone or something being targeted as if through an aiming device having crosshairs
… in the crosshairs this political seasonJ. H. Alter

Examples of crosshair 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.
The optimal strike zones, marked as bright crosshairs in the model, show where a spacecraft could nudge an asteroid's orbit away from Earth without triggering a dangerous return later on. Sharmila Kuthunur, Space.com, 13 Oct. 2025 The head came up broadside, facing to Bill’s left, and Bill sought the bear’s ear with the crosshairs. Marguerite Reiss, Outdoor Life, 9 Oct. 2025 As advertisers trim spend and Trump puts late night in his crosshairs, the costs of these TV programs are coming under the microscope. Lillian Rizzo, CNBC, 1 Oct. 2025 Carr meanwhile has said ABC's The View might be next in the FCC's crosshairs. Hannah Parry, MSNBC Newsweek, 19 Sep. 2025 See All Example Sentences for crosshair

Word History

First Known Use

1684, in the meaning defined above

Time Traveler
The first known use of crosshair was in 1684

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Cite this Entry

“Crosshair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crosshair. Accessed 18 Oct. 2025.

Kids Definition

cross hair

noun
: one of the very thin wires or threads in the eyepiece of an optical instrument (as a microscope) used as a reference line
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