keynerve
nounUK /ˈkiːnɜːv/
US /ˈkiːnɜːrv/
The most important nerve in a part of the body.
The doctor said the keynerve in his hand was hurt.
RELATED WORDS
OTHER MEANINGS
2. The most important or essential part of a system or plan.
Trust is the keynerve of a good friendship.
3. A person who plays the most important role in a group or activity.
She was the keynerve of the rescue team.
4. A crucial point where something important happens or is controlled.
The bridge was the keynerve of the city's transport.