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Luna

1. The moon.

2. (Science: chemistry) silver.

(Science: chemistry) luna cornea, 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.

Origin: L.; akin to lucere to shine. See light, and cf. Lune.