n.

1. 【美】钱包，皮夹子；（无背带的）女用手提包[C]
   She had several large bills in her pocketbook.

   她钱袋里有几张大面额钞票。

2. 笔记本[C]
3. （书的）袖珍本；【美】平装本，廉价版本[C]
4. 经济来源；经济利益
   Poor service affected the waiters' pocketbook.

   差劲的服务影响了侍者的收入。

n.

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