sapphire Definition

sapphire
noun

1. Any gem variety of the mineral corundum other than ruby, especially the hard transparent blue variety, prized as a gemstone, and also used in record player styluses, etc.
2. The deep blue colour of this stone.

adj

1. Made of sapphire.
2. Having the colour of sapphire.

Etymology: 13c: from Latin sapphirus, from Greek sappheiros, from Sanskrit sanipriya dear to the planet Saturn.