Definition of definition for English Language Learners. : an explanation of the meaning of a word, phrase, etc. : a statement that defines a word, phrase, etc. : a statement that describes what something is.
An IBAN (International Bank Account Number) is an international bank account identifier used to uniquely identify the account of a customer at a financial institution. This is the only permissible account identifier for SEPA payments.
Making International payments easier. An International Bank Account Number (IBAN) is what you use when you make or receive an overseas payment. It helps cut down on errors and delays. Always check the format of an IBAN before you send a payment. 1  Check the validity of an IBAN.