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

Example Sentences

Recent Examples on the Web In Garot’s case, the bruising was caused by a subdural hematoma, hospital records would later reveal — internal bleeding that was putting pressure on her brain. Kelly Davis, San Diego Union-Tribune, 23 Apr. 2023 Easton had an epidural hematoma, where his fractured skull injury was coupled with a punctured artery outside the brain which caused internal bleeding. Kyla Guilfoil, ABC News, 19 Aug. 2022 Schnellenberger, 86, suffered a subdural hematoma. Dominique Yates, The Courier-Journal, 11 Aug. 2020 While epidural hematomas are relatively uncommon, especially in sports, Benzel notes there have been several incidents. Cori Ritchey, Men's Health, 28 Feb. 2023 The hematoma grew bigger. William Torrey, Longreads, 5 May 2022 The chain of grapes in their bluish sheath, said a friend who is an anatomy authority...looks like a hematoma, a pooling of blood that happened when the owner of said spot maybe bumped her crotch into something years ago. Veronique Greenwood, Discover Magazine, 25 Apr. 2012 Murphey fell ill on Christmas Eve 2017 and was diagnosed with a subdural hematoma at Sumner Regional Medical Center before being transferred to Vanderbilt. Mariah Timms, USA TODAY, 13 May 2022 The cause of death was determined to be subdural hematoma — when a blood vessel in the space between the skull and the brain is damaged — caused by blunt force trauma to the head. CBS News, 2 Feb. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hematoma.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

circa 1849, in the meaning defined above

Time Traveler
The first known use of hematoma was circa 1849

Dictionary Entries Near hematoma

Cite this Entry

“Hematoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hematoma. Accessed 5 Jun. 2023.

Medical Definition


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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