Black's Law Dictionary (2nd edition)dictionaries

Certified Check

In the practice of bankers. This is a depositor’s check rec-ognlzed and accepted by the proper officer of the bank as a valid appropriation of the amount specified to the payee named, and as drawn against funds of such depositor held by the bank. The usual method of certiflca-tion is for the cashier or teller to write across the face of the check, over his signa-ture. a statement that it is “good when prop-erly Indorsed” for the amount of money writ-ten iu the body of the check

Source: Black's Law Dictionary 2nd Ed (1910)