horn fly

noun

Definition of horn fly

: a small dark gray European dipteran fly (Haematobia irritans) that has been introduced into North America where it is a blood-sucking pest especially of cattle

Examples of horn fly in a Sentence

Recent Examples on the Web Suzan Murray, director of the Smithsonian’s Global Health Program, suggests that climate change may play a role: Insects such as horn flies that could be transmitting parasites could be thriving in generally warmer and wetter conditions. Jacob Brogan, Smithsonian, 19 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'horn fly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of horn fly

1708, in the meaning defined above

Learn More About horn fly

Time Traveler for horn fly

Time Traveler

The first known use of horn fly was in 1708

See more words from the same year

Dictionary Entries Near horn fly

hornfish

horn fly

horn gap

See More Nearby Entries 

Statistics for horn fly

Cite this Entry

“Horn fly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/horn%20fly. Accessed 27 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for horn fly

horn fly

noun

Medical Definition of horn fly

: a small black European dipteran fly (Haematobia irritans of the family Muscidae) that has been introduced into North America where it is a bloodsucking pest of cattle

called also cattle fly

More from Merriam-Webster on horn fly

Britannica.com: Encyclopedia article about horn fly

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Flower Edition

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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