1. a combination of various ideas or methods, using numerous skill-sets
a multi-disciplined approach to research, multi-pronged approach to the problem/issue
Something 'multi-disciplined' is a coming together of a number of different branches of learning. Something 'multi-pronged' is considered to have multiple separate branches or elements. A multi-disciplined or multi-pronged approach, therefore, involves drawing from various separate areas of knowledge and bringing them together to create a new way of tackling a problem or coming up with a solution. An example might be in healthcare, bringing together medical, psychological, pharmaceutical and the patients' own needs to approach or design a plan of care or recovery. You will hear this term most often used in professional contexts. Similar meaning phrases include 'multi-faceted approach', 'holistic approach', and 'multi-dimensional approach.'