Definitions
1.nounA clear deep blue variety of corundum, valued as a precious stone.
2.nounA white, yellow, or purple variety of corundum, either clear or translucent.
3.nounA deep blue colour.
4.nounAny hummingbird in the genera Hylocharis and Chlorestes, as well as the rufous-throated sapphire, which is now in the genus Amazilia.
5.nounAny of the butterflies in the southern Asian lycaenid genus Heliophorus.
6.adjectiveOf a deep blue colour.
7.adjectivePertaining to a 45th year