Lewis Short
emplastrātĭo (noun 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.
Charlton T. Lewis, Charles Short, A Latin Dictionary