1. workers who dig tunnels underwater or underground, especially those who work in compressed air environments
Usage: specialized labor term; primarily used in construction and engineering contexts

Examples

• The sandhogs worked in dangerous conditions to build the subway tunnel.
• Many sandhogs suffered from decompression sickness during the bridge construction.
• The union represented sandhogs who dug tunnels beneath the river.
• Experienced sandhogs knew how to work safely in the pressurized chambers.
• The city hired sandhogs to complete the underwater tunnel project.
• Safety equipment for sandhogs has improved significantly over the decades.