adjective

"Caked" means to have a thick layer of something on top of a surface, just like when you put frosting on a cake and it covers the whole cake.

So, to sum it up, "caked" means to have a thick layer of something covering a surface.

Example

1. The mud on his boots had caked and dried in the sun.
2. She had to use a lot of soap to clean the caked paint off her hands.
3. The old pan was caked with burnt food that wouldn't come off.