鼎談[teidan] tripartite (three man) talk
鼎談会[teidankai] three-man talk
鼎立[teiritsu] triangular position
鼎立戦[teiritsusen] three-way contest
鼎座[teiza] three people sitting in a triangle

鼎の軽重を問う[kanaenokeichouwotou] to call one's ability into question
鼎革[teikaku] change of dynasty
三者鼎立[sanshateiritsu] three parties (forces) opposing one another
鐘鼎文[shouteibun] bronze-vessel and bell inscriptions