Scaly (adjective)

1. Having or covered in scales, like a fish or reptile.
2. Having a rough, flaky surface.

Origin:

The word scaly is of old english origin, from scealu "scale".

Examples:

1. The fish was scaly and slimy.
2. The alligator's skin was scaly and tough.
3. The surface of the rock was scaly and uneven.
4. The dragon in the story was scaly and breathed fire.
5. The scaly bark of the tree made it difficult to climb.