n. | 1. a military engineer who specializes in fortifications, especially tunnels dug under enemy territory 2. a military engineer who lays, detects, and disarms mines 3. in the British Army, a private in the Royal Engineers 4. a soldier whose job is to dig tunnels and build or repair bridges and roads 1. a military engineer who specializes in fortifications, especially tunnels dug under enemy territory 2. a military engineer who lays, detects, and disarms mines 3. in the British Army, a private in the Royal Engineers 4. a soldier whose job is to dig tunnels and build or repair bridges and roads |