What is "spackling"

Usage examples of "spackling".

From the conveniently modest-sized seas to the spackling of clear blue lakes, from rolling hills to dramatic yet easily negotiable mountains and everything in between, there were plenty of natural attractions to keep the interested visitor occupied.

She now checked the wall periodically for new breaches of privacy, filling the holes with spackling compound she kept in her locker alongside her stash of candy bars.

She would need to break out the spackling compound, but what she needed now was a few moments to untangle the threads in her mind.