- a person who owns or operates a mill, esp. a flour mill
- milling machine
- a tool to be used in such a machine
- any of various moths with wings that look dusty or powdered, suggesting a miller's clothes
Origin of millerMiddle English mylnere
- One who works in, operates, or owns a mill, especially a grain mill.
- A milling machine.
- Any of various moths whose wings and bodies have a powdery appearance.