ithylordosis /ˌɪθɪlɔːrˈdoʊsɪs/ noun1 •A form of lordosis (excessive inward curvature of the spine) with an abnormal, localized inward curvature and forward projection of the spine, while the remainder of the spine is straight.She had delayed motor milestones and presented with walking on tiptoe, hypotonia, and ithylordosis. — 2019