angioma
noun
an·gi·o·ma ˌan-jē-ˈō-mə 
plural angiomas also angiomata ˌan-jē-ˈō-mə-tə
: a tumor composed chiefly of blood vessels or lymph vessels
angiomatous
ˌan-jē-ˈō-mə-təs
adjective 
Example Sentences
Recent Examples on the Web But one type of mark might seem a little more alarming than others: a small, dark or light red bump, better known as a cherry angioma. 
Sarah Fielding, Health.com, 5 Oct. 2021 In some cases what looks like a red mole is actually a cherry angioma, a skin growth made up of blood vessels, according to the U.S. National Library of Medicine. Korin Miller, SELF, 24 Aug. 2018 For the record, cherry angiomas do not transform into melanomas, Dr. Massick notes. Korin Miller, SELF, 24 Aug. 2018
Sarah Fielding, Health.com, 5 Oct. 2021 In some cases what looks like a red mole is actually a cherry angioma, a skin growth made up of blood vessels, according to the U.S. National Library of Medicine. Korin Miller, SELF, 24 Aug. 2018 For the record, cherry angiomas do not transform into melanomas, Dr. Massick notes. Korin Miller, SELF, 24 Aug. 2018 Word History
Etymology
borrowed from German, earlier Angiom, from Greek angeîon "vessel, vessel or cavity of the body" + German -om, -oma -oma — more at angio-
First Known Use
1858, in the meaning defined above
Medical Definition
angioma
noun
an·gi·o·ma ˌan-jē-ˈō-mə
plural angiomas also angiomata -mət-ə
: a tumor (as a hemangioma or lymphangioma) composed chiefly of blood vessels or lymphatic vessels