吸虫 Traditional form: 吸蟲 Pinyin (reading): xīchóng Definitions: trematoda fluke trematode worm, approx 6000 species, mostly parasite, incl. on humans Characters: 吸 - to inhale, to suck in; to absorb; to attract 虫 - insect, worm; mollusk Traditional characters: 吸 - to inhale, to suck in; to absorb; to attract 蟲 - insect, worm; mollusk