A draft, or current of air, passed over a fire, as in a furnace, or passing down through a kiln.
The definition of an overdraft is taking out more money than is in your account, or a draft of air that moves over a fire.
An example of an overdraft is to write a check for $40 when you only have $20 in your account.
An example of an overdraft is the air that passes over the fuel in a furnace.
Credit issued by a bank if a check is written on an account that does not have sufficient money to cover it and the bank chooses to approve the check. Often banks link a customer’s savings account or credit card to the checking account to cover overdrafts, and an overdraft fee will be charged.
The bank have given me an overdraft of $2000.
Origin of overdraft
over- +"Ž draft