circumvallate
Concise Oxford English Dictionary © 2008 Oxford University Press:
circumvallate /ˌsəːkəmˈvaleɪt/
▶verb literary surround with or as if with a rampart. ▶adjective
- 1 literary surrounded or surrounding as if by a rampart.
- 2 Anatomy denoting papillae near the back of the tongue, surrounded by taste receptors.
– origin C17: from L. circumvallat-, circumvallare ‘surround with a rampart’.
'circumvallate' also found in these Oxford entries:

