A birthmark is a permanent spot on your skin, often dark brown colored. The actress Marilyn Monroe was famous for a small birthmark just above her lip.

Most birthmarks are present from birth or soon after, and many are pigmented much darker than the surrounding skin. Strawberry and port wine birthmarks, on the other hand, are bright red. The causes of birthmarks vary, but they're almost always harmless. In the 17th century, they were sometimes called "longing marks," supposedly demonstrating the pregnant mother's longing for something before her baby was born.

Definitions of birthmark
  1. noun
    a blemish on the skin that is formed before birth
    synonyms: nevus
    see moresee less
    nevus flammeus, port-wine stain
    a flat birthmark varying from pink to purple
    hemangioma simplex, strawberry, strawberry mark
    a soft red birthmark
    type of:
    blemish, defect, mar
    a mark or flaw that spoils the appearance of something (especially on a person's body)
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