sapphire

noun
UK /ˈsæf.aɪ.ər/
US /ˈsæf.aɪ.ɚ/

A sapphire is a beautiful blue stone that people use to make jewelry.

She wore a ring with a bright blue sapphire on her finger.


OTHER MEANINGS

2. A deep, bright blue color.

The evening sky turned a rich sapphire as the sun went down.

3. Something that looks like a sapphire, such as a blue gem or a blue bird.

A tiny sapphire bird landed on the branch outside our window.

4. A very hard mineral used in some tools and watches.

The watch has a small sapphire inside to keep it working smoothly.