Lewis & Short

emplastrātĭo, ōnis, f. [emplastro], in horticult. lang., the insertion of a small piece of the bark in inoculating a tree, etc., scutcheon-grafting, budding, Col. 5, 11, 1; id. Arb. 26, 1; 11, 2, 59; Plin. 17, 16, 26, § 118 sq.; Pall. Jun. 5, 2.