Lea
The lee side is the sheltered side, the side of something away from the wind.
The side sheltered from the wind.
alee
The side downwind of the prevailing wind direction.
When something is being sheltered from the wind on one side, it is often referred to as being in the wind shadow or windbreak. This term is used to describe the area that is protected from the wind due to an obstacle or structure.
yatch
Is more steeply sloped than the windward side.
Winward refers to the "side" facing into the wind. The opposite would be Leeward which would be the side sheltered from the wind.
Lee means the sheltered side. In the lee of the stone would mean the side of the stone untouched or sheltered from wind, rein or anything really. in the lee of anything just means the sheltered side of that particular thing.
The side facing away from the wind is known as the "lee" side. This is the area sheltered from the wind, in contrast to the "windward" side, which faces the oncoming wind. On the lee side, the effects of wind are typically reduced, resulting in calmer conditions.
is more steeply sloped than the windward side
The opposite process can be "lithification" (a form of diagenesis that forms rock from sediment).