milling machine

WordReference Random House Unabridged Dictionary of American English © 2025

mill′ing machine′, 

1. Mechanical Engineering a machine tool for rotating a cutter (mill′ing cut′ter) to produce plane or formed surfaces on a workpiece, usually by moving the work past the cutter. Also called miller. 

• 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::

milling machine noun

1. a machine tool in which a horizontal arbor or vertical spindle rotates a cutting tool above a horizontal table, which is used to move a workpiece