Pronunciation: (pok'it-book"),[key] —n. 1. a woman's purse or handbag.
2. a person's financial resources or means: The price was out of reach of his pocketbook. 3. Also,pock'et book".a book, usually paperback, that is small enough to carry in one's coat pocket.
4. Brit. a. a notebook for carrying in one's pocket.
b. a wallet or billfold.