noun
winter solstitial point
Astronomical term for the point on the ecliptic where the sun reaches its southernmost declination, marking the winter solstice.
冬至点は、太陽が最も南に位置する点です。
The winter solstitial point is the point where the sun is at its southernmost position.
夏至点 is the summer solstitial point, the opposite point on the ecliptic.
Compound of 冬至 (winter solstice) and 点 (point).