(1):
(n.) The state or process of being consumed, wasted, or diminished; waste; diminution; loss; decay.
(2):
(n.) A progressive wasting away of the body; esp., that form of wasting, attendant upon pulmonary phthisis and associated with cough, spitting of blood, hectic fever, etc.; pulmonary phthisis; - called also pulmonary consumption.
(3):
(n.) The act or process of consuming by use, waste, etc.; decay; destruction.