horsefly

noun horse·fly \ ˈhȯrs-ˌflī \

Definition of horsefly

:any of a family (Tabanidae) of swift usually large dipteran flies with bloodsucking females

Recent Examples of horsefly from the Web

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

First Known Use of horsefly

14th century


HORSEFLY Defined for English Language Learners

horsefly

noun

Definition of horsefly for English Language Learners

  • : a type of large biting fly


HORSEFLY Defined for Kids

horsefly

noun horse·fly \ ˈhȯrs-ˌflī \

Definition of horsefly for Students

plural horseflies
:a large fly that has bulging eyes and of which the female delivers a painful bite to suck the blood of people and animals

Medical Dictionary

horsefly

noun horse·fly \ ˈhȯrs-ˌflī \

medical Definition of horsefly

plural horseflies
:any of the swift usually large dipteran flies with bloodsucking females that comprise the family Tabanidae


Seen and Heard

What made you want to look up horsefly? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

a blind with adjustable horizontal slats

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

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!