ウグイスガイMeanings1nounPteria brevialata (wing oyster species)usually written using kana aloneA species of wing oyster. The name literally means 'bush warbler shell', likely from its greenish color.ウグイスガイは真しん珠じゅ養よう殖しょくに使つかわれることがある。Pteria brevialata is sometimes used in pearl cultivation.
