The Collaborative International Dictionary
Air drill
Air drill \Air" drill`\
A drill driven by the elastic pressure of condensed air; a
pneumatic drill.
--Knight.
Wiktionary
air drill
n. A drill driven by the elastic pressure of condensed air; a pneumatic drill.
Usage examples of "air drill".
Astro bent over an oddly shaped machine that looked somewhat like an ancient compressed-air drill, with a long bar protruding from one end.
Waves suit them much better than particles as the ultimate constituents of matter, and discontinuities jar their teeth like a compressed-air drill.
As he waited for the Blue Phantom to come after him, his heart pounded like a compressed-air drill.