plural in form but singular or plural in construction
: an acute contagious viral disease caused by a paramyxovirus (Orthorubulavirus parotitidis) and marked by fever and by swelling especially of the parotid gland

Examples of mumps in a Sentence

Recent Examples on the Web
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Health experts have emphasized that the best protection against the disease is the vaccine, which can be given by itself, as part of an MMR vaccine or as part of the measles-mumps-rubella-varicella (MMRV) shot. Finch Walker, USA Today, 13 May 2026 In 2024-25, a dozen of California’s 58 counties reported overall immunization rates below 90%, and 15 counties reported measles-mumps-rubella vaccination rates below 95%. Teri Sforza, Oc Register, 13 May 2026 The fate of the measles-mumps-rubella shot, which does not contain aluminum, is also up in the air. Patricia Callahan, ProPublica, 19 Mar. 2026 Health experts say the measles vaccine, normally given as part of the combination measles-mumps-rubella (MMR) vaccine, is safe and effective, and the increase in cases is due to lower vaccination rates. Carlos E. Castañeda, CBS News, 27 Feb. 2026 See All Example Sentences for mumps

Word History

Etymology

from plural of obsolete mump grimace

First Known Use

1592, in the meaning defined above

Time Traveler
The first known use of mumps was in 1592

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Cite this Entry

“Mumps.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mumps. Accessed 21 May. 2026.

Kids Definition

mumps

singular or plural noun
: a contagious disease caused by a virus and marked by fever and by swelling especially of salivary glands

Medical Definition

mumps

noun, plural in form but singular or plural in construction
: an acute contagious viral disease caused by a paramyxovirus (Orthorubulavirus parotitidis) and marked by fever and by swelling especially of the parotid gland

called also epidemic parotitis

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