Medical Definition of circumvallate papilla
: any of the usually 8 to 12 large papillae near the back of the tongue each of which is surrounded with a marginal sulcus and supplied with taste buds responsive especially to bitter flavors—called also vallate papilla
Seen and Heard
What made you want to look up circumvallate papilla? Please tell us where you read or heard it (including the quote, if possible).