回かい虫ちゅうMeaningsNoun1. roundworm (Ascaris lumbricoides); mawworm; intestinal wormOther spellings蛔かい虫ちゅう0%Kanji used回going around虫insectKanji in other spellings蛔intestinal wormsPitch accentかいちゅうExamples1先せん日じつ便びんに回かい虫ちゅうが出でました。He had a roundworm in his stool the other day.