{ } n. [ NL. cysticercus, fr. Gr. &unr_;&unr_;&unr_;&unr_; bladder + ke`rkos tail: cf. F. cysticerque. ] (Zool.) 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, hydatid, and measle (as, pork measle). [ 1913 Webster ]

☞ These larvae live in the tissues of various living animals, and, when swallowed by a suitable carnivorous animal, develop into adult tapeworms in the intestine. See Measles, 4, Tapeworm. [ 1913 Webster ]