Cessor
Cessor , noun
[From Cess, v. i. Compare Cesser.]
(Law) One who neglects, for two years, to perform the service by which he holds lands, so that he incurs the danger of the writ of cessavit. See Cessavit. — Cowell
Cessor , noun
[From Cess, transitive verb]
An assessor. [Obsolete]