from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A congenital growth or mark on the skin, such as a mole or birthmark.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A general term referring to a number of different, usually benign, pigmented, raised or otherwise abnormal lesions of the skin.

from The Century Dictionary and Cyclopedia

  • n. See nævus.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a blemish on the skin that is formed before birth


Latin naevus.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • A nevus is a nest of cells that grows larger or more protuberant as we age.

    Simple Skin Beauty

  • "It looks like what's called a nevus-it's something like a flat mole, usually quite harmless.

    A Breath of Snow and Ashes

  • Neonatal blue-light phototherapy could increase the risk of dysplastic nevus development.

    Recent Neonatal Research Publications

  • They can be pink, brown or orange in appearance and can resemble moles, skin tags, an ordinary nevus (birth mark), or hemangiomas.

    Nevoid Basal Cell Carcinoma Syndrome

  • When something goes wrong within the cells of a pigmented nevus or mole, it is transformed into a cancerous melanoma.

    Malignant Melanoma: The Silent Killer

  • Clusters of melanocytes may cause a mole, otherwise known as beauty mark, but the medical term is nevus.

    Malignant Melanoma: The Silent Killer

  • He has no harelip, cleft palate or butterfly nevus, Captain.

    Naked Cruelty

  • One type is a flat, dark brown spot (a benign melanocytic nevus), another is pigmented and slightly raised (a junctional nevus), and there are also flesh-colored bumpy moles (intradermal nevi).

    Simple Skin Beauty

  • She ended up having a severely dysplastic nevus, a premelanoma, that was surgically excised.

    Simple Skin Beauty

  • An exception to this rule: certain birthmarks around the eye and on the back, called “the nevus of Ito and Ota” respectively, are more common in darker skin types and are treated with the Nd:YAG laser.

    Simple Skin Beauty


Log in or sign up to get involved in the conversation. It's quick and easy.

  • "Bree leaned in beside me, and her eyes widened at sight of hte small brown blotch. It was about the size of a farthing, quite round, just above the hairline toward the back of his head, behind the left ear.

    'What is it?' she asked, frowning....

    'I'm fairly sure it's all right,' I assured her, after a quick inspection. 'It looks like what's called a nevus—it's something like a flat mole, usually quite harmless.'"
    —Diana Gabaldon, A Breath of Snow and Ashes (New York: Bantam Dell, 2005), 680–681

    February 3, 2010

  • A flat, black or pigmented mole or beauty mark. Like the diastema and the lisp, the nevus was considered a sign of voluptuousness and eager sexuality.

    January 11, 2007