thresher shark

noun

: a large nearly cosmopolitan shark (Alopias vulpinus) that has a greatly elongated curved upper lobe of the tail which is often used to thresh the water to round up the schooling fish on which it feeds see shark illustration

Examples of thresher shark 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.
Just a few months earlier, another thresher shark was found dead on a beach in Devon, hinting at a troubling trend for this vulnerable species. Melissa Cristina Marquez, Forbes, 6 Jan. 2025 The dead thresher shark was moved from Par Beach to be studied. Aspen Pflughoeft, Miami Herald, 3 Jan. 2025

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of thresher shark was in 1888

Browse Nearby Words

Cite this Entry

“Thresher shark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thresher%20shark. Accessed 1 Apr. 2025.

Kids Definition

thresher shark

noun
: a large shark that has a very long curved upper lobe on its tail which it often uses in rounding up and stunning fish to feed on

More from Merriam-Webster on thresher shark

Love words? Need even more definitions?

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