Lewis & Short

ĭnŏcŭlātĭo, ōnis, f. [inoculo], an inoculating, ingrafting, Col. 5, 11, 1; 11, 2, 54; Pall. 7, 5. (An earlier method of inoculating is described in Plin. 17, 14, 23, § 100; cf. id. 17, 16, 26, § 118.)