Lu"na (?), n. [L.; akin to lucere to shine. See Light, n., and cf. Lune.]
1.
The moon.
2. Alchemy
Silver.
Luna cornea Old Chem., horn silver, or fused silver chloride, a tough, brown, translucent mass; -- so called from its resemblance to horn. Luna moth Zool., 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.
<-- Fig. of Luna moth -->
© Webster 1913.