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
Examples of perineum in a Sentence
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It's been studied for diabetic foot ulcers, surgical incisions to the perineum during childbirth (episiotomies), and abscesses.1 Manuka honey is your best bet for wound care.
—
Megan Nunn, Verywell Health, 7 Oct. 2025
The downward angle of the Verge is a great place to start before graduating to a butt plug or prostate massager because the hot spot can be stimulated indirectly through the perineum.
—Gabrielle Kassel, Glamour, 11 Aug. 2025
Its vitamin E formulation absorbs into skin without any residue and is delicate on breasts, belly, and even your perineum.
—Pamela Brill, Parents, 22 May 2025
The second pocket can hold a vibrator against the perineum or between the labia, which will stimulate the genitals of the person being penetrated in front-to-back positions like reverse rider.
—Malia Griggs, SELF, 21 Apr. 2025
See All Example Sentences for perineum
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Megan Nunn, Verywell Health, 7 Oct. 2025
The downward angle of the Verge is a great place to start before graduating to a butt plug or prostate massager because the hot spot can be stimulated indirectly through the perineum.
—Gabrielle Kassel, Glamour, 11 Aug. 2025
Its vitamin E formulation absorbs into skin without any residue and is delicate on breasts, belly, and even your perineum.
—Pamela Brill, Parents, 22 May 2025
The second pocket can hold a vibrator against the perineum or between the labia, which will stimulate the genitals of the person being penetrated in front-to-back positions like reverse rider.
—Malia Griggs, SELF, 21 Apr. 2025
See All Example Sentences for perineum
Cite this Entry
“Perineum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perineum. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
perineum
noun
per·i·ne·um
variants
also perinaeum
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
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