Definitions for malthusˈmæl θəs
Random House Webster's College Dictionary
Thomas Robert, 1766–1834, English economist.
Malthus, Thomas Malthus, Thomas Robert Malthus(noun)
an English economist who argued that increases in population would outgrow increases in the means of subsistence (1766-1834)
derived from the word for malthouse.
Specifically, Thomas Malthus, English demographer and political economist, who proposed the view that population growth always exceeds the growth of the necessary food supply.