天てん頂ちょう点てんMeanings1nounzenithAstronomical term for the point directly overhead. Also used figuratively for the peak or climax of something.太たい陽ようが天てん頂ちょう点てんに達たっした。The sun reached the zenith.彼かれのキャリアは天てん頂ちょう点てんを迎むかえた。His career reached its zenith.