Possible Definitions:
1. Ruby (n.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between carmine and hyacinth red. It is a red crystallized variety of corundum.
2. Ruby (n.) The color of a ruby; carmine red; a red tint.
3. Ruby (n.) That which has the color of the ruby, as red wine. Hence, a red blain or carbuncle.
4. Ruby (n.) See Agate, n., 2.
5. Ruby (n.) Any species of South American humming birds of the genus Clytolaema. The males have a ruby-colored throat or breast.
6. Ruby (a.) Ruby-colored; red; as, ruby lips.
7. Ruby (v. t.) To make red; to redden.
