the GNU version of the Collaborative International Dictionary of English
v. To disinter; to exhume; fig., to disclose.
The Century Dictionary and Cyclopedia
To exhume; disinter.
Figuratively, to uncover; reveal; disclose.
Word Usage
"There is even speculation that the lost city of Akkad lies fragile and exposed under the foundations of modern-day Baghdad, where recent troubles have helped unbury ancient archaeological clues."