/ Thesaurus / N Synonyms of nevus flammeus Find synonyms for: Noun1. port-wine stain, nevus flammeus, birthmark, nevususage: a flat birthmark varying from pink to purpleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language