vallate

adjective

val·​late ˈva-ˌlāt 

: having a raised edge surrounding a depression

vallate papillae of the tongue

Word History

Etymology

borrowed from New Latin vallātus, going back to Latin, past participle of vallāre "to surround with a rampart, ring round," derivative of vallum "palisade of stakes, rampart," — more at wall entry 1

First Known Use

1878, in the meaning defined above

Medical Definition

vallate

adjective

val·​late ˈval-ˌāt 

: having a raised edge surrounding a depression