flea

noun

: any of an order (Siphonaptera) of small wingless bloodsucking insects that have a hard laterally compressed body and legs adapted to leaping and that feed on warm-blooded animals

Illustration of flea

Illustration of flea
Phrases
flea in one's ear
: rebuke
sent him away with a flea in his ear

Examples of flea 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.
Lemonade’s wellness plan for puppies includes spaying/neutering, microchipping and vaccines, plus more wellness exams and testing for parasites and coverage for flea/tick and heartworm medication. Liz Knueven, CNBC, 30 Dec. 2024 Also unlike flea bites, bedbug bites do not have a red spot in the center. Janet Loehrke, USA TODAY, 10 Dec. 2024 By treating prairie dog colonies with flea medication similar to that used for household pets, a buffer against the disease that previously devastated ferret populations was created. Dan Perry, Newsweek, 26 Nov. 2024 The duo converted a 25-yard completion against Seattle in Week 1 before executing the successful flea flicker in the loss to the Steelers. Ryan McFadden, The Denver Post, 18 Sep. 2024 See all Example Sentences for flea 

Word History

Etymology

Middle English fle, from Old English flēa; akin to Old High German flōh flea

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of flea was before the 12th century

Dictionary Entries Near flea

Cite this Entry

“Flea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flea. Accessed 18 Jan. 2025.

Kids Definition

flea

noun
: any of an order of small wingless bloodsucking insects with a hard body and legs used for leaping

Medical Definition

flea

noun
: any of the order Siphonaptera comprising wingless bloodsucking insects that have a hard laterally compressed body and legs adapted to leaping and that feed on warm-blooded animals see cat flea, chigoe sense 1, dog flea, rat flea, sand flea, sticktight flea

More from Merriam-Webster on flea

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