排はい水すい孔こう

noun

drain hole; scupper; osculum

Refers to an opening for draining water, such as a scupper on a ship or deck, or an osculum in sponges. The term 'osculum' is a technical biological term.

• 船ふねのデッキには排はい水すい孔こうがいくつか設もうけられている。

  Several scuppers are installed on the ship's deck.

• 海かい綿めん動どう物ぶつの体からだの表ひょう面めんには排はい水すい孔こうと呼よばれる大おおきな開かい口こう部ぶがある。

  On the surface of a sponge's body, there is a large opening called an osculum.