朔さく望ぼう潮ちょう

noun

spring tide

Rare technical term for the tide that occurs around the new and full moons, when the tidal range is greatest. The common word is 大潮 (おおしお).

See also: 大潮

• 朔さく望ぼう潮ちょうは、新しん月げつと満まん月げつの頃ころに起おこる潮しおの満みち干ひの差さが大おおきい現げん象しょうを指さす。

  朔望潮 refers to the phenomenon of large tidal range that occurs around the new and full moons.