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
The tactics landed the company's top brass in the crosshairs of the Securities and Exchange Commission.Houston Chronicle

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.
Gratuitous presidential wars spiked, large and small, including Vietnam, Laos, Cambodia, the Dominican Republic, Grenada, Panama, Kuwait, Bosnia-Herzegovina, Serbia, Afghanistan, Iraq, Libya, Somalia, Yemen, Nigeria, Venezuela and Iran, with Cuba, Greenland and possibly Canada in our crosshairs. Bruce Fein, Baltimore Sun, 23 Mar. 2026 Trump has stated repeatedly that Cuba is next in his crosshairs, after his ongoing war against Iran and the overthrow in January of Venezuelan President Nicolás Maduro. Kate Linthicum, Los Angeles Times, 16 Mar. 2026 Iran has long been in Graham's crosshairs. ABC News, 16 Mar. 2026 La Crosse’s Big Lots was one of many caught in the chain’s bankruptcy crosshairs in September 2024. Caden Perry, jsonline.com, 12 Mar. 2026 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

Browse Nearby Words

Cite this Entry

“Crosshair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crosshair. Accessed 27 Mar. 2026.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster