hematoma

noun

he·​ma·​to·​ma ˌhē-mə-ˈtō-mə How to pronounce hematoma (audio)
plural hematomas also hematomata ˌhē-mə-ˈtō-mə-tə How to pronounce hematoma (audio)
: a mass of usually clotted blood that forms in a tissue, organ, or body space as a result of a broken blood vessel

Examples of hematoma in a Sentence

Recent Examples on the Web
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Another of the place innovation awards was for detection and localization of subdural hematoma with subsequent recurrence. Pamela McLoughlin, Hartford Courant, 8 July 2025 He was treated at North Kansas City Hospital for a spinal hematoma, according to court documents. Bella Waters, Kansas City Star, 27 June 2025 After the struggle, Caputo had a hematoma under her right eye, bruises and a scar from the Taser prongs, the warrant states. Isabel Rivera, Miami Herald, 6 June 2025 Risks include hematomas, infections, prolonged swelling and facial nerve injury. Kaleigh Werner, Footwear News, 27 May 2025 See All Example Sentences for hematoma

Word History

Etymology

New Latin

First Known Use

circa 1849, in the meaning defined above

Time Traveler
The first known use of hematoma was circa 1849

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Cite this Entry

“Hematoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hematoma. Accessed 5 Aug. 2025.

Medical Definition

hematoma

noun
he·​ma·​to·​ma
variants or chiefly British haematoma
plural hematomas also hematomata -mət-ə How to pronounce hematoma (audio)
: a mass of usually clotted blood that forms in a tissue, organ, or body space as a result of a broken blood vessel

More from Merriam-Webster on hematoma

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