planaria

English Thesaurus

1. free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts (noun.animal)

hypernym	:	flatworm, platyhelminth,
definition	:	parasitic or free-living worms having a flattened body (noun.animal)

member meronym	:	class turbellaria, turbellaria,
definition	:	free-living flatworms (noun.animal)