To plant firmly; establish. 2. Archaic To graft (a scion) onto or into another plant. v.intr. Medicine To become successfully incorporated in the host body. Used of a transplanted tissue.

from The Century Dictionary. Ingrafted. To insert, as a scion of one tree or plant into another, for propagation; propagate by insertion; hence, to fix as on or in a stock or support; embed; insert: as, to ingraft a peach on a plum.

engraft, ingraft /ɪnˈɡrɑːft/ vb (transitive) to graft (a shoot, bud, etc) onto a stock to incorporate in a firm or permanent way; implant: they engrafted their principles into the document

ingraft - cause to grow together parts from different plants; "graft the cherry tree branch onto the plum tree"