plural nevi
ˈnē-ˌvī 
: a congenital or acquired usually highly pigmented area on the skin that is either flat or raised : mole
Examples of nevus in a Sentence
Recent Examples on the Web
The company continues to focus on developing therapies for basal cell carcinoma nevus syndrome, prostate, and lung cancers using itraconazole.
—
Quartz Bot, Quartz, 12 Nov. 2024
In adults, a Spitz nevus is usually darker in color, somewhere between brown and black.3
Where the Spitz nevus develops is often different for children and adults.
—Emily Brown, Mph, Verywell Health, 13 Aug. 2024
An atypical Spitz nevus may also be referred to as an atypical Spitz tumor.
—Emily Brown, Mph, Verywell Health, 13 Aug. 2024
Gloria Aste has amassed a following on TikTok by creating awareness for giant congenital melanocytic nevus — a birthmark that people often confuse for a blackout tattoo.
—Stephanie Sengwe, Peoplemag, 6 Feb. 2024
Unlike other eye freckles, a choroidal nevus occurs inside your eye.
—Anthea Levi, Health, 30 Oct. 2023
Ansley Martin didn’t start her TikTok account to talk about her giant congenital melanocytic nevus, a rare skin condition on her leg marked by dark lesions.
—Cara Lynn Shultz, Peoplemag, 27 July 2023
To find the right signaling molecule, his team carefully isolated melanocytes from nevus tissues to study individually.
—Max G. Levy, WIRED, 12 July 2023
According to the US National Library of Medicine's MedlinePlus resource, a mole—technically known as a nevus—is a growth on the skin that happens when cells called melanocytes grow in a cluster.
—Seraphina Seow, Health.com, 26 May 2021
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Quartz Bot, Quartz, 12 Nov. 2024
In adults, a Spitz nevus is usually darker in color, somewhere between brown and black.3
Where the Spitz nevus develops is often different for children and adults.
—Emily Brown, Mph, Verywell Health, 13 Aug. 2024
An atypical Spitz nevus may also be referred to as an atypical Spitz tumor.
—Emily Brown, Mph, Verywell Health, 13 Aug. 2024
Gloria Aste has amassed a following on TikTok by creating awareness for giant congenital melanocytic nevus — a birthmark that people often confuse for a blackout tattoo.
—Stephanie Sengwe, Peoplemag, 6 Feb. 2024
Unlike other eye freckles, a choroidal nevus occurs inside your eye.
—Anthea Levi, Health, 30 Oct. 2023
Ansley Martin didn’t start her TikTok account to talk about her giant congenital melanocytic nevus, a rare skin condition on her leg marked by dark lesions.
—Cara Lynn Shultz, Peoplemag, 27 July 2023
To find the right signaling molecule, his team carefully isolated melanocytes from nevus tissues to study individually.
—Max G. Levy, WIRED, 12 July 2023
According to the US National Library of Medicine's MedlinePlus resource, a mole—technically known as a nevus—is a growth on the skin that happens when cells called melanocytes grow in a cluster.
—Seraphina Seow, Health.com, 26 May 2021
Cite this Entry
“Nevus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nevus. Accessed 5 Jul. 2025.
Copy CitationMedical Definition
nevus
noun
ne·vus
variants
or chiefly British naevus
plural nevi or chiefly British naevi
-ˌvī
: a congenital or acquired usually highly pigmented area on the skin that is either flat or raised : mole see blue nevus, junctional nevus, spider nevus
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