Cys'ti·cerce noun [ New Latin cysticercus , from Greek ............ bladder + ............ tail: confer French cysticerque .] (Zoology) The larval form of a tapeworm, having the head and neck of a tapeworm attached to a saclike body filled with fluid; -- called also bladder worm... Found on http://www.encyclo.co.uk/webster/C/211