Japanese edit

For pronunciation and definitions of スッポン – see the following entry.
すっぽんH
[noun] a Chinese softshell turtle, Pelodiscus sinensis
[noun] (theater) in kabuki, a trapdoor located on the 花道 (hanamichi, walkway through the audience to the stage)
[noun] (nautical) a bilge pump used on a 和船 (wasen, traditional Japanese ship)
(This term, スッポン, is the katakana spelling of the above term.)