• (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.
Found on
http://thinkexist.com/dictionary/meaning/pilidium/
Pi·lid'i·um noun ;
plural Pildia . [ New Latin , from Greek ..., dim. of ... a cap.]
(Zoology) 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.
Found on
http://www.encyclo.co.uk/webster/P/88
No exact match found.
