Ces"sor (?), n. [From Cess, v. i. Cf. 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.

Ces"sor, n. [From Cess, v. t.] An assessor. [Obs.]