from the GNU version of the Collaborative International Dictionary of English
- n. The act or process of laying bare the roots of trees to expose them to the air and water.
from The Century Dictionary and Cyclopedia
- n. A laying bare of the roots of trees to expose them to the air and water.
From Latin ablaqueātiō ("the process or act of digging or loosening the soil around the roots of a tree"), from ablaqueō ("disentangle"), from ab ("from, away from") + laqueō ("entangle, ensnare"). (Wiktionary)
But though they require this refreshing at first, yet do they perfectly abhor all stercoration; nor will they much endure to have the earth open’d about their roots for ablaqueation, or be disturb’d: This is also to be understood of cypress.