vicenary
/ˈvɪsɪnɛri, ˌvɪsɪˈneɪri/Definitions
1. noun
relating to or consisting of nine years, especially in the context of a period of feudal tenure or a lease of land
“The vicenary grant of land to the lord gave him the right to collect taxes for the next nine years.”
2. adjective
lasting or continuing for nine years
“The vicenary lease agreement required the tenant to pay a fixed rent for the next nine years.”