chiefnerve
nounUK /tʃiːf nɜːv/
US /tʃiːf nɜːrv/
The main nerve that carries important messages in your body.
The doctor said the chiefnerve in his arm was hurt.
OTHER MEANINGS
2. The most important person or thing that keeps a group working together.
She was the chiefnerve of the whole project.
3. The main path or line that connects parts of a system.
The chiefnerve of the railway network runs through the city.
4. The strongest or most vital part of something.
Trust is the chiefnerve of a good friendship.