sapphire

noun6

1. •
   A clear deep blue variety of corundum, valued as a precious stone.
2. •
   A white, yellow, or purple variety of corundum, either clear or translucent.
3. •
   A deep blue colour.
4. •
   Azure, when blazoning by precious stones.

   • Elgin. Topaz a Saltier and Chief Ruby, on a Canton Pearl a Lyon Rampant Saphyr, which last is their paternal Coat; […] — 1720
5. •
   Any hummingbird in the genera Hylocharis and Chlorestes, as well as the rufous-throated sapphire, which is now in the genus Amazilia.
6. •
   Any of the butterflies in the southern Asian lycaenid genus Heliophorus or the African lycaenid genus Iolaus.

adjective2

1. •
   of a deep blue colour.

   • At about eleven, we uncaged our pigeons, who flew away into the sapphire sky that hung like a sail from the white peaks. — 1927
2. •
   pertaining to a 45th year

noun1

1. •
   A stereotype of an aggressive and domineering black woman.

   • When black women speak up about indignities, they are Sapphires. When black women stand up for their rights, they are Sapphires. — 2010