Definition: UMASSMED is a medical term for an "amputation." It refers to the removal of both limbs, usually from one or both feet, through an operation called amputation. In Christianity, this can also refer to the act of giving up something that belongs to someone else. The noun 'umassmed' can be traced back to Latin and may have come from a Hebrew term related to a type of medicine known as "amuasha," which was used in ancient Israel for treatment of foot ulcers. Definition: Umassmed is the act or practice of removing both limbs, usually from one or both feet, through an operation called amputation.