Merriam-Webster Collegiate Dictionary - mill

 I. noun  Etymology: Middle English ~e, from Old English mylen, from Late Latin molina, molinum, from feminine and neuter of molinus of a ~, of a ~stone, from Latin mola ~, ~stone; akin to Latin molere to grind — more at meal  Date: before 12th century  1. a building provided with machinery for grinding grain into flour  2.  a. a machine or apparatus (as a quern) for grinding grain  b. a machine for crushing or comminuting  3. a machine that manufactures by the continuous repetition of some simple action  4. a building or collection of buildings with machinery for manufacturing  5.  a. a machine formerly used for stamping coins  b. a machine for expelling juice from vegetable tissues by pressure or grinding  6. ~ing machine, ~ing cutter  7.  a. a slow, laborious, or mechanical process or routine  b. one that produces or processes people or things mechanically or in large numbers a diploma ~ a rumor ~  8. a difficult and often educational experience — used in the phrase through the ~  9. the engine of an automobile or boat  II. verb  Date: 1511  transitive verb  1. to subject to an operation or process in a ~: as  a. to grind into flour, meal, or powder  b. to shape or dress by means of a rotary cutter  c. to mix and condition (as rubber) by passing between rotating rolls  2. to give a raised rim or a ridged or corrugated edge to (a coin)  3. to cut grooves in the metal surface of (as a knob)  intransitive verb  1. to hit out with the fists  2. to move in a circle or in an eddying mass; also wander  3. to undergo ~ing  III. noun  Etymology: Latin ~e thousand  Date: 1786 a money of account equal to 1/10 cent  IV. variant of mil II MILL  I. biographical name James 1773-1836 Scottish philosopher, historian, & economist  II. biographical name John Stuart 1806-1873 son of James English philosopher & economist