It also means that anything used or that is implemented to decorate or complete the trimmings of a Christmas tree. Usually trimmings, ie, trimmings, pieces cut off in trimming, clipping, paring, or pruning.Click to see full answer. People also ask, what is trimming the Christmas tree?anything used or serving to decorate or complete: the trimmings of a Christmas tree. Usually trimmings. trimmings, pieces cut off in trimming, clipping, paring, or pruning.Beside above, should you trim a Christmas tree? The main point to remember is that you should not prune back further than the current year’s growth as new growth will not emerge from old wood. If you are growing your tree in a container then it is also important to keep it well fed and watered. Furthermore, why is it called trimming the Christmas tree? The word “trim,” while we use it interchangeably with “cut,” actually comes from the Middle English verb “trimmen” meaning to put in order, which comes from the Old English word “trymman” or “trymian” meaning to arrange or strengthen.What is trimming a tree?Tree pruning is performed in order to protect the tree or shrub while trimming is performed to ensure perfect growth of the shrub or hedge. Tree trimming service on the other hand is done to remove overgrown bushes which prevents the shrub from receiving enough moisture and light.