Covered or partially covered with scales.(adjective)
Shedding scales or flakes; flaking.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "scaly" in a sentence
"Atopic dermatitis affects 1% to 3% of adults and is characterized by scaly red patches, usually on the face and hands."
"Even so, companies that recycle old artwork still try and sneak in scaly-skinned dromaeosaurs if you let them."
"First came a troop of black men, and a dragon (i.e. a man in scaly armour) mounted on an elephant in their midst."