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: 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
Examples of flea in a Sentence
Recent Examples on the Web
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
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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
Phrases Containing flea
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
Nglish: Translation of flea for Spanish Speakers
Britannica English: Translation of flea for Arabic Speakers
Britannica.com: Encyclopedia article about flea
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