The crossword solution for the term CUT BACK, AS A TREE is PRUNED, which is a 6-letter word. Pruning is a horticultural practice that involves the selective removal of parts of a plant, such as branches, buds, or roots. It is typically done to maintain the health and shape of the plant, as well as to improve its appearance. Pruning trees is an important part of tree care, as it helps to promote healthy growth and reduce the risk of disease.