ササウシノシタMeanings1nounbamboo sole (Heteromycteris japonica)usually written using kana aloneA species of flatfish native to Japan; the name is usually written in katakana as ササウシノシタ.ササウシノシタは日本にほんの沿えん岸がんで見みられる小こ型がたのカレイです。The bamboo sole is a small flatfish found along the coast of Japan.市いち場ばで珍めずらしいササウシノシタを見みつけた。I found a rare bamboo sole at the market.