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.
Bank Rate is the rate at which central bank of the country (in India it is RBI) allows finance to commercial banks. Bank Rate is a tool, which central bank uses for short-term purposes.hat is CRR (For Non Bankers): CRR means Cash Reserve Ratio. Banks in India are required to hold a certain proportion of their deposits in the form of cash.