Definition of consumptions:
(n) :
The act of eating, drinking or using.
(n) :
The amount consumed.
(n) :
The act of consuming or destroying.
(n) :
(pathology) The wasting away of the human body through disease.
(n) :
(pathology, dated) Pulmonary tuberculosis and other diseases that cause wasting away, lung infection, etc.
(n) :
(euphemistic, dated) Alcoholism as it precipitates a person's death (especially of natural causes).