downgraft noun 1verb 1forms 3 noun1 •A surgical grafting procedure that involves downward (inferior) movement, usually of the maxilla, done for reconstructive purposes, as for improved cosmesis or for posttraumatic restoration. verb1 •To perform a procedure of the downgraft type; to move a body part downward (inferiorly), usually the maxilla. formsdowngrafted · downgrafting · downgrafts