black hairy tongue
noun
: a dark furry or hairy discoloration of the tongue that is due to hyperplasia of the filiform papillae usually with an overgrowth of microorganisms
called also blacktongue
Cite this Entry
“Black hairy tongue.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/black%20hairy%20tongue. Accessed 2 Dec. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share