A piece of armor consisting of a front and back, historically used by soldiers
In zoology, refers to a hard protective covering, such as a shell or a scale
कड़ा बाहरी आवरण
English Usage: The leatherback turtle has a unique cuirass that protects it from predators.
Hindi Usage: लेदरबैक कछुआ के पास एक अनोखा कड़ा बाहरी आवरण है जो इसे शिकारी से बचाता है।