growing point noun 1.: the undifferentiated end of a plant shoot that is made up of a single apical cell or a group of cells and that produces primary meristematic tissue from which the tissues of the shoot differentiate 2.: a point at which growth of any kind is generated or has its beginning < the growing points of the economy must be invigorated — Harper's > < may be the growing point of philosophy in our time — C.W.Hendel >