Definition of 本初子午線 (ほんしょしごせん)

noun
prime meridian
Related Kanji
book, present, main, origin, true, real, counter for long cylindrical things
first time, beginning
child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
noon, sign of the horse, 11AM-1PM, seventh sign of Chinese zodiac
line, track