port-wine stain

[ pawrt-wahyn, pohrt- ]
/ ˈpɔrtˈwaɪn, ˈpoʊrt- /

noun

a large birthmark of purplish color, usually on the face or neck.

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Origin of port-wine stain

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for port-wine stain

port-wine stain
[ pôrtwīn ]

n.

A purplish area of the skin, usually on the head and neck, appearing at birth and caused by an overgrowth of the cutaneous capillaries.nevus flammeus port-wine mark
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.