tsunami wall

Noun

 * 1) A protective barrier that is used to protect against and impede the travel of a tsunami wave
 * 2) A type of wall obstacle in obstacle course racing with a curved bottom that is used as a ramp to run up, similar to a half-pipe, with a reverse side that is also similar to a half-pipe where you slide down, and ending in a pool to splash to a stop.
 * 1) A type of wall obstacle in obstacle course racing with a curved bottom that is used as a ramp to run up, similar to a half-pipe, with a reverse side that is also similar to a half-pipe where you slide down, and ending in a pool to splash to a stop.

Coordinate terms

 * snow fence
 * avalanche fence
 * avalanche shed
 * avalanche wall