赤せき道どう祭さい

noun

equator-crossing ceremony

A traditional maritime ceremony held when a ship crosses the equator, often involving playful initiation rituals for first-timers.

• 船ふねが赤せき道どうを越こえるとき、赤せき道どう祭さいが行おこなわれた。

  When the ship crossed the equator, an equator-crossing ceremony was held.