Meaning of ROCK DRILL

Pronunciation:			râk dril
WordNet Dictionary
	Definition:		[n]  a drill for penetrating rock
	Websites:		Rock Drills @ Coastal Tool Rock and rotary hammer drills. Bosch, Kango, Dewalt, Metabo. Rock drill bits of all sizes by Bosch. All our items have low discount prices. www.coastaltool.com
	Synonyms:		bore bit, borer, stone drill
	See Also:		cross bit, drill, star drill, straight flute, straight-fluted drill