1) to cut into for the sake of inserting a scion
2) to inoculate, ingraft, graft in
Part of Speech: verb
From G1722 and a derivative of G2759; to prick in, that is, ingraft: - graff in (-to).
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἐγκεντρίζω; click on the second column to search for that grammatical form of the root ἐγκεντρίζω; click on the third column to search for that word and grammatical form; click on the total to search for the root ἐγκεντρίζω.