Today’s word of the day is harl, which generally means to drag something along the ground, but it can also mean to troll for fish, a rough mixture of lime and gravel (used on walls of houses, for example), and a type of fiber made of flax and hemp. Most uses of the word are most common in Scots English. Here’s what a harled wall looks like:

Photo by goodcatmum and used under a Creative Commons license.