What is "unseals"

Usage examples of "unseals".

The inside hatch unseals and I hear more clanging as Min-xue unhooks one safety line and attaches the one from inside the lock, the sound attenuated through my helmet.

For a moment he seems frozen, carved from the darkness, then, as the footsteps recede, he draws the oilskin bag from about his neck and unseals the pouch.

Jenny put both arms about her neck, and began to shed the quiet tears that so refresh and comfort heavy hearts when a tender touch unseals the fountain where they lie.