book account

from The Century Dictionary.

• noun An account. or register of debt or credit in a book.
• noun Specifically, in bookkeeping by double entry, an account showing the transactions of a merchant in regard to some particular commodity or branch of trade placed under a heading such as “stock,” “cotton,” etc., and not referred to a person with whom they may have been effected.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Another term for current account.