- [Min] Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem."Of rubies, sapphires, and of pearlés white." [Chaucer.]
- The color of the gem; bright blue.
- [Zoöl] Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.
Note: ☞ Sapphire occurs in hexagonal crystals and also in granular and massive forms. The name sapphire is usually restricted to the blue crystals, while the bright red crystals are called Oriental rubiessee under Ruby), the amethystine variety Oriental amethystsee under Amethyst), and the dull massive varieties corunduma name which is also used as a general term to include all varieties). See Corundum.
Etymology: OE. saphir, F. saphir, L. sapphirus, Gr. �, of Oriental origin; cf. Heb. sappīr