Actias luna

Luna Lu"na, n. [L.; akin to lucere to shine. See {Light}, n., and cf. {Lune}.] 1. The moon. [1913 Webster]

2. (Alchemy) Silver. [1913 Webster]

{Luna cornea} (Old Chem.), horn silver, or fused silver chloride, a tough, brown, translucent mass; -- so called from its resemblance to horn.

{Luna moth} (Zo["o]l.), a very large and beautiful American moth ({Actias luna}). Its wings are delicate light green, with a stripe of purple along the front edge of the anterior wings, the other margins being edged with pale yellow. Each wing has a lunate spot surrounded by rings of light yellow, blue, and black. The caterpillar commonly feeds on the hickory, sassafras, and maple. [1913 Webster]