Definition of ironclad. 1  1 : sheathed in iron armor âused especially of naval vessels. 2  2 : so firm or secure as to be unbreakable: such asa : binding an ironclad oathb : having no obvious weakness an ironclad case against the defendant.
Best Answer: CR means a credit. If this appears on the balance due line of your statement, it means that you owe nothing and that you are that much ahead of future charges and no payment or acknowledgment is needed.
The percentage of deposits which commercial banks are required to keep as cash according to the directions of the central bank. Definition: Also known as Cash Reserve Ratio, it is the percentage of deposits which commercial banks are required to keep as cash according to the directions of the central bank.