lone star tick

noun

: an ixodid tick (Amblyomma americanum) of the southern, central, and eastern U.S. that attacks mammals and birds, is a vector of several diseases (such as Rocky Mountain spotted fever and ehrlichiosis), and in which the adult female has a single white spot on the back

Examples of lone star tick 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 lone star tick, which is known for causing a life-threatening allergy to red meat, has also expanded its range. Caitlin Looby, jsonline.com, 26 July 2025 The lone star tick is found in the Southeastern, Eastern, and South Central United States. Rob Williams, EverydayHealth.com, 9 July 2025 Brown said a bite from a lone star tick can trigger an allergic reaction, with symptoms including hives, gastrointestinal distress and potentially life-threatening anaphylaxis. State House News Service, Boston Herald, 13 July 2025 Lone star ticks: Found in the eastern, southeastern, and south-central U.S., lone star ticks can sometimes cause a circular rash. Laura Schober, Health, 9 July 2025 See All Example Sentences for lone star tick

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of lone star tick was in 1896

Browse Nearby Words

Cite this Entry

“Lone star tick.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lone%20star%20tick. Accessed 20 Aug. 2025.

Medical Definition

lone star tick

noun
: an ixodid tick of the genus Amblyomma (A. americanum) of the southern, central, and eastern United States that attacks mammals and birds, is a vector of several diseases (as Rocky Mountain spotted fever, ehrlichiosis, and anaplasmosis), and in which the adult female has a single white spot on the back

More from Merriam-Webster on lone star tick

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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