vermilion border

noun

The normally sharp demarcation between the lip (red-coloured) and the adjacent normal skin, representing the change in the epidermis from highly keratinized external skin to less keratinized internal skin.

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Meanings

nounvermilion border (plural vermilion borders)

plural vermilion borders

  1. anatomyThe normally sharp demarcation between the lip (red-coloured) and the adjacent normal skin, representing the change in the epidermis from highly keratinized external skin to less keratinized internal skin.
Cite this entry
APA

vermilion border. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/vermilion%20border

MLA

“vermilion border.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vermilion%20border. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “vermilion border,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/vermilion%20border.

Source: vermilion border on Wiktionary, CC BY-SA 4.0.