Ohio Revised Code Title XXI. Courts Probate Juvenile § 2152.51

(1) “Competent” and “competency” refer to a child's ability to understand the nature and objectives of a proceeding against the child and to assist in the child's defense. A child is incompetent if, due to mental illness, due to developmental disability, or otherwise due to a lack of mental capacity, the child is presently incapable of understanding the nature and objective of proceedings against the child or of assisting in the child's defense.

(2) “Delinquent child proceeding” means any proceeding under this chapter.

(3) “Developmental disability,” “intellectual disability,” and “moderate level of intellectual disability” have the same meanings as in section 5123.01 of the Revised Code.