The Collaborative International Dictionary
margin account
margin account \margin account\ n. (Finance) An account with a securities brokerage in which the broker extends credit.
WordNet
margin account
n. an account with a securities brokerage in which the broker extends credit [ant: cash account]
Usage examples of "margin account".
And I think he is smart enough to ease his way into it, because if he comes in too hard and fast, it is going to go up the ladder so fast I'm not going to have a chance to use the buying power on the margin account to keep doubling on the way up.
It is a combination of many things: partly an ordinary margin account through which I buy and sell stocks in the traditional way, partly a checking account, partly a Visa credit-card account.