The noun mill has 5 senses (first 1 from tagged texts)
1. (4) factory, mill, manufacturing plant, manufactory -- (a plant consisting of one or more buildings with facilities for manufacturing)
2. Mill, James Mill -- (Scottish philosopher who expounded Bentham's utilitarianism; father of John Stuart Mill (1773-1836))
3. Mill, John Mill, John Stuart Mill -- (English philosopher and economist remembered for his interpretations of empiricism and utilitarianism (1806-1873))
4. mill, grinder, milling machinery -- (machinery that processes materials by grinding or crushing)
5. grind, mill, pulverization, pulverisation -- (the act of grinding to a powder or dust)
Overview of verb mill
The verb mill has 4 senses (first 2 from tagged texts)
1. (1) mill, mill about, mill around -- (move about in a confused manner)
2. (1) mill -- (grind with a mill; "mill grain")
3. mill -- (produce a ridge around the edge of; "mill a coin")
4. mill -- (roll out (metal) with a rolling machine)