정상 회담이 · 정상 회담을
summit (meeting of heads of state)
Example
두 나라 대통령은 다음 달 정상 회담을 가질 예정입니다.
The presidents of the two countries are scheduled to hold a summit next month.
Word parts
정 top+상 top+회 meet+담 talk
Literally 'top-level meeting and talk', just like 'summit'.
Good to know
Homonym: 정상 also means 'normal', but here it means 'top, summit'.