long-horned beetle

noun

: any of a family (Cerambycidae synonym Longicornia) of beetles usually distinguished by their very long antennae

called also longhorn beetle

Word History

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of long-horned beetle was in 1834

Browse Nearby Words

Cite this Entry

“Long-horned beetle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/long-horned%20beetle. Accessed 2 Jul. 2026.

More from Merriam-Webster on long-horned beetle

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