Definition of graft:
(n) :
a small
shoot or
scion of a tree inserted in another tree, the stock of which is to support and nourish it. The two unite and become one tree, but the graft determines the kind of fruit; a branch or portion of a tree growing from such a shoot
(v) :
to insert (a graft) in a
branch or
stem of another tree; to propagate by insertion in another stock; also, to insert a graft upon; to implant a portion of (living flesh or akin) in a lesion so as to form an organic union
"and graft my love immortal on thy fame! --
Pope"