イケチョウガイいけちょうがいMeanings1nounHyriopsis schlegelii (freshwater mussel)usually written using kana aloneA species of freshwater mussel native to Japan, often used in pearl cultivation.イケチョウガイは真しん珠じゅ養よう殖しょくに使つかわれる淡たん水すい貝