a levy
Could be a dam, but perhaps you're thinking of "levee."
a tsunami
It is called a tsunami
The block of rock below a fault is the "footwall" if you are referring to geology/earthquake terms.
A cliff
Could be a dam, but perhaps you're thinking of "levee."
if you are talking about water it is called a tsunami that could knock you into a brick wall or a wall that could make you either die or get unconsious
a dam
When the wall moves away from the backfill, the earth pressure on the wall decreases. This minimum pressure is called active earth pressure. On the other hand if the wall moves towards the backfill, the earth pressure increases. This maximum pressure is called passive earth pressure.
a tsunami
It is called a tsunami
Pretty much. One reason Wall Street is called that is the colony had to build a massive wall ( it is still there ) to keep back the water so they could build. When the Twin Towers fell and they showed the land under the towers you could see part of that wall.
Bulkheads is the navy term for wall, therefor to keep the water in.
The pressure exerted by water inside the cell wall will help keep the cell wall rigid. If the plant loses water, this pressure decreases and the plant will wilt.
Mongolia, Asia, Earth, Milky way
A prison wall, which is designed to keep people in.
sonometer