Ser-pū'li-dan
(Zoöl.) An animal of the order Annelida, of the genus Serpula, forming calcareous tubes, which twine round and cover stones, shells, and the like. Kirby.

(Zoöl.) An animal of the order Annelida, of the genus Serpula, forming calcareous tubes, which twine round and cover stones, shells, and the like. Kirby.
