scaly

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Covered or partially covered with scales.
• adjective Shedding scales or flakes; flaking.

from The Century Dictionary.

• Covered with scales; provided with scales; scaled; squamate; scutellate.
• Scale-like; of the nature of a scale; squamous.
• Furfuraceous; scarious; desquamated; exfoliated; scabby.
• In botany, composed of scales lying over one another: as, a scaly bulb; having scales scattered over it: as, a scaly stem.
• Shabby; mean; stingy.
• Covered with a scale or incrustation, as a boiler or kettle in which water containing mineral salts which become insoluble on heating has been evaporated.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Covered or abounding with scales.
• adjective Resembling scales, laminæ, or layers.
• adjective Low Mean; low.
• adjective (Bot.) Composed of scales lying over each other; ; covered with scales.
• adjective (Zoöl.) the pangolin.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Covered or abounding with scales; as, a scaly fish.
• adjective Resembling scales, laminae, or layers.
• adjective dated Mean; low.
• adjective Composed of scales lying over each other; as, a scaly bulb; covered with scales; as, a scaly stem.
• noun South Africa A species of yellowfish, Labeobarbus natalensis

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective having the body covered or partially covered with thin horny plates, as some fish and reptiles
• adjective rough to the touch; covered with scales or scurf