noun
highest peak; main peak
Refers to the tallest or most prominent mountain in a range or group. Common in geographical descriptions and news reports.
富士山は日本アルプスの主峰ではないが、日本で最も有名な山だ。
Mt. Fuji is not the highest peak of the Japanese Alps, but it is the most famous mountain in Japan.
この山脈の主峰は標高3000メートルを超える。
The highest peak of this mountain range exceeds 3000 meters in altitude.