adjectiverare Roman History
Of or relating to a type of expiatory procession, in which an animal was paraded around the boundaries of the city of Rome before being sacrificed.
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From classical Latin amburbiālis of or relating to an expiatory procession round the city (attested in an 8th-cent. epitome of a 2nd-cent. grammarian) from amburbium expiatory procession round the city (in the same source; from amb- round, about + urb-, urbs city + -ium) + -ālis.