Drill has several different meanings:

• A drilling rig is a mechanical device used to drill deep holes in the ground.
• A laser drill is a common operating apparatus in terraforming.
• A micro-optic drill is a small hand-held device.
• A phaser drill is a device employing ship board phaser technology.
• A pulse drill is device used for mining.
• A training drill is an activity for crewmembers to develop their skills, often followed with an evaluation report.