Vocalist (noun)

1. A person who sings, especially professionally.
2. A person who is skilled in the use of the voice, especially in singing.

Origin:

From the latin "vox" meaning "voice" and "alis" meaning "pertaining to.".

Examples:

1. She was a renowned vocalist in the opera world.
2. The band's lead vocalist had a powerful and unique voice.
3. He was a skilled vocalist, able to hit high notes with ease.
4. The vocalist's performance was met with thunderous applause.
5. The choir was made up of amateur vocalists.