geographic tongue

noun

Definition of geographic tongue

: a condition in which the tongue exhibits smooth patches surrounded by slightly elevated grayish margins

called also wandering rash

History and Etymology for geographic tongue

so called from the resemblance of the patches to land masses on a map

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Learn More About geographic tongue

Dictionary Entries Near geographic tongue

geographic terrapin

geographic tongue

geographic variation

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Cite this Entry

“Geographic tongue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geographic%20tongue. Accessed 1 Oct. 2022.

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