Bezel (noun)

1. A thin frame or rim that surrounds and holds a watch crystal, a gemstone or a watch face in place.
2. The ring or the band that surrounds and holds a cut gemstone in a setting of a ring, brooch or a pendant.

Origin:

The word "bezel" is derived from the middle english word "besel" which means a ring or a band, it is a thin frame or rim that surrounds and holds a watch crystal, a gemstone or a watch face in place.

Examples:

1. The bezel of the watch is made of gold.
2. The bezel of the ring was set with diamonds.
3. The bezel of the watch can be rotated to measure elapsed time.
4. Bezel setting is a popular way to secure a gemstone in a piece of jewelry.
5. Bezel-less phone design is becoming more popular in recent years.