真しん珠じゅ貝がいMeaningsNoun1. pearl oyster (esp. Marten's pearl oyster, Pinctada fucata martensii)Kanji used真truth珠pearl貝shellfishPitch accentしんじゅがいComposed of真しん珠じゅpearlNoun貝かいshellfish; seashell; shellNoun