v. To break the seal of (something) in order to open it.
the GNU version of the Collaborative International Dictionary of English
v. To break or remove the seal of; to open, as what is sealed.
v. To disclose, as a secret.
The Century Dictionary and Cyclopedia
To open (a thing) after it has been sealed; free from a seal; hence, to open, in a general sense. To disclose.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. break the seal of
Word Usage
"Somewhere in those 80 million pages or in the military archives that current Guatemalan president Álvaro Colom has promised to unseal is the evidence that could finally bring Ríos Montt and his cronies to justice."