noun, noun or participle which takes 'suru', intransitive verb
three people sitting in a triangle
Describes a seating arrangement where three people sit facing each other in a triangular formation, often for a meeting or discussion. The word is somewhat literary and not an everyday term.
三人が鼎座して密談を交わした。
The three sat in a triangle and had a secret talk.
鼎座の形で話し合う
When you sit in a triangular arrangement, it's easier to see everyone's faces.