perineum
noun
per·i·ne·um ˌper-ə-ˈnē-əm 
plural perinea ˌper-ə-ˈnē-ə
: an area between the thighs that marks the approximate lower boundary of the pelvis and is occupied by the urinary and genital ducts and rectum
also : the area between the anus and the posterior part of the external genitalia
perineal
ˌper-ə-ˈnē-əl
adjective 
Example Sentences
Recent Examples on the Web Unfortunately, some people have already found out that perineum sunning can have immediate and uncomfortable effects. 
Marci Robin, Allure, 10 Aug. 2022 Biotin deficiency presents with multiple symptoms including brittle nails, thinning hair and a scaly red rash around the eyes, nose, mouth and perineum. Dr. Michael Daignault, USA TODAY, 17 Feb. 2022 One company, called Morari, showed off a prototype of a perineum patch that is supposed to help those who struggle with premature ejaculation. Lauren Goode, Wired, 8 Jan. 2020 Less common were other threats; physical abuse, including refusing anesthesia for an episiotomy (a cut to the perineum to aid with delivery); or sharing private information without women’s consent. BostonGlobe.com, 14 Sep. 2019 Innovative firms such as EVB Sport are producing active wear specifically to support women’s perineum, pelvic floor and core muscles. The Economist, 28 June 2019 The doctor asked for permission to cut my perineum. Ellen Bass, The New Yorker, 17 June 2019 The infection that has been linked to these medications is called necrotizing fasciitis of the perineum, or Fournier’s gangrene, and the FDA is now requiring that a warning be added to the prescribing information of these pills about this risk. Korin Miller, SELF, 30 Aug. 2018 According to the Centers for Disease Control and Prevention (CDC), the painless disease causes progressive ulcerative lesions on the genitals or perineum, which are prone to heavy bleeding. Alexandria Hein, Fox News, 22 Aug. 2018 See More
Marci Robin, Allure, 10 Aug. 2022 Biotin deficiency presents with multiple symptoms including brittle nails, thinning hair and a scaly red rash around the eyes, nose, mouth and perineum. Dr. Michael Daignault, USA TODAY, 17 Feb. 2022 One company, called Morari, showed off a prototype of a perineum patch that is supposed to help those who struggle with premature ejaculation. Lauren Goode, Wired, 8 Jan. 2020 Less common were other threats; physical abuse, including refusing anesthesia for an episiotomy (a cut to the perineum to aid with delivery); or sharing private information without women’s consent. BostonGlobe.com, 14 Sep. 2019 Innovative firms such as EVB Sport are producing active wear specifically to support women’s perineum, pelvic floor and core muscles. The Economist, 28 June 2019 The doctor asked for permission to cut my perineum. Ellen Bass, The New Yorker, 17 June 2019 The infection that has been linked to these medications is called necrotizing fasciitis of the perineum, or Fournier’s gangrene, and the FDA is now requiring that a warning be added to the prescribing information of these pills about this risk. Korin Miller, SELF, 30 Aug. 2018 According to the Centers for Disease Control and Prevention (CDC), the painless disease causes progressive ulcerative lesions on the genitals or perineum, which are prone to heavy bleeding. Alexandria Hein, Fox News, 22 Aug. 2018 See More Word History
Etymology
Middle English, from Late Latin perinaion, from Greek, from peri- + inan to empty out; perhaps akin to Sanskrit iṣṇāti he sets in motion
First Known Use
15th century, in the meaning defined above
Medical Definition
perineum
noun
per·i·ne·um
variants also perinaeum
ˌper-ə-ˈnē-əm
plural perinea also perinaea -ˈnē-ə
: an area of tissue that marks externally the approximate boundary of the pelvic outlet and gives passage to the urogenital ducts and rectum
also : the area between the anus and the posterior part of the external genitalia especially in the female