1234567891011121314Keywordstone rollerFrequency#6806Strokes14ReadingsdúMnemonic石 (stone) gives the meaning and 毒 the sound.Stroke orderComposed of石rock毒poisonUsed in vocabulary碌碡liùzhoustone roller (for threshing grain, leveling ground etc); Taiwan pr. lùdú碡zhóustone roller (for threshing grain, leveling ground etc); Taiwan pr. dú