1. A drill for penetrating rock
   - bore bit, borer, rock drill

Derived forms: stone drills

Type of: drill

• sabot
• sabotage
• saboteur
• sabra
• sabre
• sabre rattling
• sabre saw
• sabre-toothed
• sabre-toothed tiger
• sabretooth
• sabulous
• sac
• sac fungus
• Sacagawea
• Sacajawea
• saccade
• saccadic
• saccate
• saccharase
• saccharic acid
• saccharide
• saccharify
• saccharimeter
• saccharin
• saccharine