1. (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. (n.) The color of a ruby; carmine red; a red tint.

3. (n.) That which has the color of the ruby, as red wine. Hence, a red blain or carbuncle.

4. (n.) See Agate, n., 2.

5. (n.) Any species of South American humming birds of the genus Clytolaema. The males have a ruby-colored throat or breast.

6. (a.) Ruby-colored; red; as, ruby lips.

7. (v. t.) To make red; to redden.

Titian Titian-red adamant agate alexandrite amethyst aquamarine beryl bloodstone bricky brilliant carbuncle cardinal carmine carnation carnelian cerise chalcedony cherry cherry-colored cherry-red chrysoberyl chrysolite citrine coral crimson damask demantoid diamond emerald ferruginous fiery fire-red flame-colored flame-red flaming garnet girasol glowing gules harlequin opal heliotrope hot hyacinth incarmined incarnadine inflamed infrared iron-red jade jadestone jargoon jasper lake-colored laky lapis lazuli lateritious lobster-red lurid maroon moonstone morganite onyx opal peridot plasma port-wine puce red red-dyed red-looking reddened reddish reddish-amber reddish-brown rose quartz rubicund rubify rubiginous rubric rubricose ruby-colored ruby-red ruddied ruddle ruddy rufescent rufous rust rust-red rusty sapphire sard sardonyx scarlet spinel spinel ruby stammel tile-red topaz turquoise vermilion vinaceous warm wine wine-colored wine-red