mill drill

noun — 2 senses

mill drill

noun
1

A classroom exercise in which students have to mill around to exchange information.

2

A light-duty machine tool for milling or drilling, as needed; it combines a drill press with the X/Y coordinate abilities of a milling machine's table and a locking collet that ensures that the milling cutter will not fall from the spindle due to lateral forces against the cutter during milling.

Related terms
mill-turn

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.