蛭 zhì leech Definitions Defs Origin Strokes Stroke Words Sentences Sents 水蛭 shuǐzhì leech 蛭石 zhìshí vermiculite 水蛭素 shuǐzhìsù hirudin 笄蛭 jīzhì hammerhead worm a type of land planarian often mistaken for an earthworm Sources Frequency data MTSU Chinese text computingSUBTLEX-CH