perineum

noun

per·i·ne·um | \ ˌper-ə-ˈnē-əm

plural perinea\ ˌper-ə-ˈnē-ə

Definition of perineum

: 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

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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, "The FDA Warns That Certain Type 2 Diabetes Meds Have Been Linked to a Rare Genital Infection," 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, "'Flesh-eating' STD allegedly reported in England," 22 Aug. 2018 The results provide some reassurance that cycling doesn't harm the perineum any more than swimming and jogging do, said study author Dr. Benjamin Breyer, a urologic surgeon at the University of California, San Francisco. — Maureen Salamon, chicagotribune.com, "Cycling won't sabotage a man's sex life: Study," 19 Jan. 2018 Like so many others, my dreams of cycling glory were popped by a perineum. — Nate Dern, Outside Online, "Tricking Your Partner into Liking Outdoor Activities," 26 Mar. 2018 Another teacher demands a student come up to the front of the room and point out, on her body, where her perineum is. — Margaret Lyons, New York Times, "Review: ‘A.P. Bio’ Is Not Advanced in Timing or Taste," 31 Jan. 2018 Eva Echeverria, 63, had reportedly been using Johnson & Johnson’s baby powder on her perineum for decades. — Brigit Katz, Smithsonian, "Woman Wins $417 Million in Lawsuit Tying Baby Powder to Ovarian Cancer," 24 Aug. 2017 This is that Caesarean section stops infants picking up, from their mother’s vaginas and perineums, bacteria that would normally establish themselves in a newborn’s gut, and by doing so improve its future health. — The Economist, "Better childbirthMore evidence for a link between Caesarean sections and obesity," 11 Oct. 2017 Eva Echeverria, 63, had reportedly been using Johnson & Johnson’s baby powder on her perineum for decades. — Brigit Katz, Smithsonian, "Woman Wins $417 Million in Lawsuit Tying Baby Powder to Ovarian Cancer," 24 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perineum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of perineum was in the 15th century

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perineum

noun

per·i·ne·um

variants: also perinaeum \ ˌper-ə-ˈnē-əm

plural -nea also perinaea\ -ˈnē-ə

Medical Definition of perineum

: 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