canker sores

A form of canker sore — An ulcer in the mouth, called an aphthous ulcer, caused by a break in the mucous membrane.

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Meanings

noun
  1. pluralplural of canker sore
Cite this entry
APA

canker sores. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/canker%20sores

MLA

“canker sores.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/canker%20sores. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “canker sores,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/canker%20sores.

Source: canker sores on Wiktionary, CC BY-SA 4.0.