Strong's Definition
Brown-Driver-Briggs' DefinitionA primitive root; to be right (that is, correct); reciprocally to argue; causatively to decide, justify or convict: - appoint, argue, chasten, convince, correct (-ion), daysman, dispute, judge, maintain, plead, reason (together), rebuke, reprove (-r), surely, in any wise.
O LORD, rebuke me not in Thine anger, neither chasten me in Thy hot displeasure.