1. waste material left over from mining or ore processing
Usage: mining
2. the act of following someone secretly

1. present participle of tail: following someone or something closely

Examples

• The mining company had to dispose of tons of tailing safely.
• Environmental concerns arose from the tailing ponds near the copper mine.
• The detective was tailing the suspect through downtown.
• She noticed someone had been tailing her for several blocks.
• The tailing operation required careful coordination between agents.
• Old tailing sites can pose environmental hazards if not properly managed.
• He was tailing behind the group during the hike.