adjective
1. having the body covered or partially covered with thin horny plates, as some fish and reptiles (Freq. 1)
• Derivationally related forms: ↑scale (for: ↑scaley), ↑scaliness (for: ↑scaly), ↑scale (for: ↑scaly)
• Topics: ↑zoology, ↑zoological science
2. (used of armor) having overlapping metal plates attached to a leather backing
Useful english dictionary. 2012.