1. insulating material used to cover pipes, boilers, or other equipment to prevent heat loss
Usage: technical; construction
2. wooden planks or boards used to support the sides of an excavation or tunnel
Usage: construction; mining

Examples

• The workers installed new laggings around the steam pipes to improve energy efficiency.
• The old laggings on the boiler needed replacement after years of wear.
• Safety regulations require proper laggings in all underground excavations.
• The construction crew used wooden laggings to prevent the trench walls from collapsing.
• Asbestos laggings were commonly used in older buildings but are now banned.
• The tunnel required additional laggings due to unstable soil conditions.