In-ŏc'ū-lā'tion, n.

n. [Lat. inoculatio, Fr. inoculation, Sp. inoculacion, It. inoculazione.]

1. The act or art of inoculating; a method of grafting by the insertion of buds of one kind of tree into the branches of another.
2. The act or practice of communicating a disease to a person in health, by inserting contagious matter in his skin or flesh. This term is limited chiefly to the communication of the small-pox.