summit
n. countablen. an important meeting between leaders of different countries to talk about big problems. It can also mean the very top of a mountain.
n. a meeting between heads of government or high-ranking officials to discuss matters of international importance. Also refers to the highest point of a hill or mountain.
The world leaders met at a summit to discuss climate change.
After three days of climbing, the team finally reached the summit of the mountain just before sunset.
The upcoming economic summit aims to establish a multilateral framework for trade, though critics argue that such high-level meetings often produce more rhetoric than concrete policy.
Often used as a modifier before another noun, such as 'summit meeting' or 'summit talk'.