Medical Dictionary
black hairy tongue
noun
Medical Definition of BLACK HAIRY TONGUE
: 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
Seen & Heard
What made you want to look up black hairy tongue? Please tell us where you read or heard it (including the quote, if possible).