1. an ornamental sunken panel in a ceiling or dome

2. a chest especially for storing valuables

1.贵重物品箱;保险箱
Acoffer is a large strong chest used for storing valuable objects such as money or gold and silver.

2.财源;金库;资金
Thecoffers of an organization consist of the money that it has to spend, imagined as being collected together in one place.

e.g. The proceeds from the lottery go towards sports and recreation, as well as swelling the coffers of the government...
彩票收入用于发展体育和娱乐产业，同时还用来充实国库。
e.g. Large public and private companies have long been contributors to Tory party coffers.
长期以来，大型的上市公司和私营企业一直在为保守党捐助资金。

1. 保险箱：文件保险箱(coffer)在Windows系统中为个人用户提供一个专属的安全存储区域,用户可以操作真实磁盘的一样使用保险箱. 保险箱里的文件经过加密存放,非授权的用户无法读取其内容. 安全控制中心(sCenter)是DS的核心,

2. 密闭板：coefficient of viscosity 粘性系数 |coffer 密闭板 |cofferdam 隔墙

3. 保险箱;沉箱：coffee 咖啡 |coffer 保险箱;沉箱 |cofferdam 沉箱

4. 沉箱：coffee咖啡 |coffer沉箱 |coffer潜水箱 保险箱 镶板