mosquito

noun
mos·​qui·​to | \ mə-ˈskē-(ˌ)tō How to pronounce mosquito (audio) \
plural mosquitoes also mosquitos

Definition of mosquito

: any of a family (Culicidae) of dipteran flies with females that have a set of slender organs in the proboscis adapted to puncture the skin of animals and to suck their blood and that are in some cases vectors of serious diseases

Illustration of mosquito

Illustration of mosquito

Keep scrolling for more

Other Words from mosquito

mosquitoey \ mə-​ˈskē-​tə-​wē How to pronounce mosquito (audio) \ adjective

Examples of mosquito in a Sentence

Recent Examples on the Web Entomologists tested multiple insect samples for the disease, which is transmitted to humans by a bite from an infected mosquito. Nora Mishanec, San Francisco Chronicle, 16 July 2021 Our warming environment is like Christmas for the Aedes mosquito, providing the aggressive, bloodthirsty little creatures with ideal circumstances in which to proliferate. David Lazarus, Star Tribune, 5 July 2021 West Nile virus, which is transmitted from animals to humans by a bite from an infected mosquito, is rising in the state, said California Public Health Officer Dr. Tomás Aragón. Lauren Hernández, San Francisco Chronicle, 9 July 2021 More and more countries are becoming free of malaria, a blood disease contracted through the bite of an infected mosquito. New York Times, 30 June 2021 The city of Grapevine has reported a positive West Nile Virus mosquito sample. Anna Caplan, Dallas News, 20 May 2021 Humans have been previously diagnosed with the virus, which is transmitted by the bite of an infected mosquito. From Usa Today Network And Wire Reports, USA TODAY, 28 June 2021 Our warming environment is like Christmas for the Aedes mosquito, providing the aggressive, bloodthirsty little creatures with ideal circumstances in which to proliferate. Los Angeles Times, 25 June 2021 This mosquito has been controlled using many different broad-spectrum insecticides in Florida, including pyrethroids that also kill honeybees, ladybugs, dragonflies and other insects. Donavyn Coffey, Scientific American, 14 May 2021

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

See More

First Known Use of mosquito

1572, in the meaning defined above

History and Etymology for mosquito

Spanish, diminutive of mosca fly, from Latin musca — more at midge

Keep scrolling for more

Learn More About mosquito

Time Traveler for mosquito

Time Traveler

The first known use of mosquito was in 1572

See more words from the same year

Dictionary Entries Near mosquito

mosque swallow

mosquito

mosquito bar

See More Nearby Entries 

Statistics for mosquito

Last Updated

25 Jul 2021

Cite this Entry

“Mosquito.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mosquito. Accessed 30 Jul. 2021.

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

Keep scrolling for more

More Definitions for mosquito

mosquito

noun

English Language Learners Definition of mosquito

: a small flying insect that bites the skin of people and animals and sucks their blood

mosquito

noun
mos·​qui·​to | \ mə-ˈskē-tō How to pronounce mosquito (audio) \
plural mosquitoes

Kids Definition of mosquito

: a small fly the female of which punctures the skin of people and animals to suck their blood

mosquito

noun
mos·​qui·​to | \ mə-ˈskēt-(ˌ)ō, -ə(-w) How to pronounce mosquito (audio) \
plural mosquitoes also mosquitos

Medical Definition of mosquito

: any of numerous dipteran flies of the family Culicidae that have a rather narrow abdomen, usually a long slender rigid proboscis, and narrow wings with a fringe of scales on the margin and usually on each side of the wing veins, that have in the male broad feathery antennae and mouthparts not fitted for piercing and in the female slender antennae and a set of needlelike organs in the proboscis with which they puncture the skin of animals to suck the blood, that lay their eggs on the surface of stagnant water, that include many species which pass through several generations in the course of a year and hibernate as adults or winter in the egg state, and that include some species which are the only vectors of certain diseases — see aedes, anopheles, culex

More from Merriam-Webster on mosquito

Nglish: Translation of mosquito for Spanish Speakers

Britannica English: Translation of mosquito for Arabic Speakers

Britannica.com: Encyclopedia article about mosquito

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!