noun
wave dissipator; wave-dissipating works
Civil engineering term for structures that reduce wave energy, such as breakwaters, tetrapods, or seawalls.
海岸の浸食を防ぐために消波工が設置された。
Wave-dissipating works were installed to prevent coastal erosion.
テトラポッド is a specific type of concrete block often used in 消波工.
Compound of 消波 (wave dissipation) + 工 (construction, works).