obliterate o·blit·er·ate (ə-blĭt'ə-rāt', ō-blĭt'-)
v. o·blit·er·at·ed, o·blit·er·at·ing, o·blit·er·ates
To remove an organ or another body part completely, as by surgery, disease, or radiation.
To blot out, especially through filling of a natural space by fibrosis or inflammation.