n.

1. 【美】錢包，皮夾子；（無背帶的）女用手提包[C]
   She had several large bills in her pocketbook.

   她錢袋裡有幾張大面額鈔票。

2. 筆記本[C]
3. （書的）袖珍本；【美】平裝本，廉價版本[C]
4. 經濟來源；經濟利益
   Poor service affected the waiters' pocketbook.

   差勁的服務影響了侍者的收入。

n.

1. Brit. a notebook.
2. US a wallet, purse, or handbag.
   ▸N. Amer. one's financial resources.