black-legged tick

noun

ˈblak-ˈlegd- How to pronounce black-legged tick (audio)
-ˈlāgd-;
-ˈle-gəd-,
-ˈlā-
: either of two ixodid ticks:
a
b
: a tick (Ixodes pacificus) of the western U.S. and British Columbia that is the vector of several diseases (such as Lyme disease)

Examples of black-legged 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.
Lyme disease is transmitted through the bite of a particular tick, the black-legged tick. Alli Rosenbloom, CNN Money, 31 July 2025 There are several types of ticks that live in different parts of the country, including: Deer ticks (also known as the black-legged tick) and American dog ticks are common throughout the eastern half of the United States. Rob Williams, EverydayHealth.com, 9 July 2025 There are lots of different types of ticks in North Carolina, but the most common ones are the American dog tick, black-legged tick and the lone star tick, Hayes said. Evan Moore, Charlotte Observer, 19 May 2025 According to the Mayo Clinic, the black-legged tick is mainly found in the eastern half of the U.S., along with the Midwest. Margie Cullen, USA Today, 1 Apr. 2025 See All Example Sentences for black-legged tick

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of black-legged tick was in 1944

Browse Nearby Words

Cite this Entry

“Black-legged tick.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black-legged%20tick. Accessed 10 Sep. 2025.

Medical Definition

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!