flea collar
noun
: a collar for animals (such as dogs and cats) that contains insecticide for killing fleas
Examples of flea collar in a Sentence
Recent Examples on the Web
This would either be an acaricide — a pesticide that kills ticks and mites, and is found in many pet flea collars and tick medications — or a vaccine that would make the deer more resistant to Lyme disease over time.
—
Dac Collins, Outdoor Life, 24 Sep. 2025
Give pets flea collars: Use collars or other flea control products to protect pets from flea bites that could cause a plague infection.
—Rob Williams, EverydayHealth.com, 15 July 2025
Made with high-quality, all-natural ingredients, this flea collar is a safe and effective way to protect your four-legged friend from these tiny threats.
—Amber Smith, Discover Magazine, 27 June 2023
Investigation:Popular flea collar linked to almost 1,700 pet deaths.
—Johnathan Hettinger, USA TODAY, 10 Mar. 2023
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Dac Collins, Outdoor Life, 24 Sep. 2025
Give pets flea collars: Use collars or other flea control products to protect pets from flea bites that could cause a plague infection.
—Rob Williams, EverydayHealth.com, 15 July 2025
Made with high-quality, all-natural ingredients, this flea collar is a safe and effective way to protect your four-legged friend from these tiny threats.
—Amber Smith, Discover Magazine, 27 June 2023
Investigation:Popular flea collar linked to almost 1,700 pet deaths.
—Johnathan Hettinger, USA TODAY, 10 Mar. 2023
Cite this Entry
“Flea collar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flea%20collar. Accessed 29 Oct. 2025.
Copy CitationMedical Definition
flea collar
noun
flea col·lar
-ˌkäl-ər 
: a collar for animals that contains insecticide for killing fleas
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