oilery noun3 •The business of producing oil from plants or animals.The oilery is a growing industry and a very useful one from many standpoints. — 1908 •A factory or establishment that produces or sells such oil.There is no linear proportion among these, as the difference between large and medium oileries is much greater than between medium and small ones. — 2022 •Oil products such as cooking oil, heating oil, oil-based toiletries, and foods preserved in oil.Here we have for luxuries in the last item of oilery, a sun which is nearly equal to the six year's salary of the President of America: or a year's education for 24,204 children at infant schools. — 1969 formsoileries