What is "ladened"

Usage examples of "ladened".

The young volcanoes were almost continually active, belching out smoke and ash ladened with sulfur that, mixing with the rain, turned to acid.

Beyond, she discerned a chassis, bolted upright to the whitewashed wall, and again she froze: the horizontal bars were ladened with an array of whips, riding crops, quirts, sagging hoods of leather and bewildering rows of instruments and tackle.