Known | Mean of known in English Dictionary

• generally accepted as something specified
1. He's a known expert.
2. That's a known fact!
3. a known criminal
• included in the knowledge that all people considered as one group have
1. There is no known cure for the disease. [=there is no cure that anyone knows about, although a cure may exist that has not yet been discovered]
2. the earliest known use of a word [=the earliest use that anyone knows about]
• familiar to people
1. a widely known story [=a story that many people know]
2. a little-known writer [=a writer that few people know about]