noun
joint press conference
A press conference held jointly by multiple parties, such as political leaders, organizations, or companies.
両首脳は共同記者会見を開いた。
The two leaders held a joint press conference.
記者会見 is a general press conference, while 共同記者会見 specifically involves multiple parties holding it together.
Compound of 共同 (joint, cooperative) and 記者会見 (press conference).