It is called melt-water.
frozen
Icy
The joke, 'a frozen cookie' is usually known as dry ice.
There is no special name to call a frozen apple. A frozen apple is exactly that.
Because everything is frozen.
Generally, liquids on Earth freeze into what we call ice, or sometimes snow or hail. All liquids have a certain temperature at which they will freeze but they are often referred to as ice once they are frozen.
The joke what do you call a frozen egg is funny. A frozen egg is called a cold egg.
If the meat was frozen but now it isn't, I would call it thawed.
A frozen cat is a catsicle.
What do you call a frozen pillow? A pain in the neck.
frozen pickle could be an icepickle.
A frozen baseball is a brozen. This is a combination of the words baseball and frozen. A frozen baseball.