Definitions for "Pollarding"
the annual removal of all of the previous year's growth, resulting in a flush of slender shoots and branches each spring.
Cutting timber off a tree at the top of the trunk to produce new growth. The new branches are in competition and grow fast and straight. Harvesting is done every 15-20 years. Also see Coppicing
A forestry technique - all the main branches of a tree are cut back to the trunk at around 6ft above the ground. Also see coppicing.