Bible Dictionaries
Pilidium

Webster's Dictionary

(n.) The free-swimming, hat-shaped larva of certain nemertean worms. It has no resemblance to its parent, and the young worm develops in its interior.

Bibliography Information
Webster, Noah. Entry for 'Pilidium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pilidium.html. 1828.