pilidium (English, noun)
expansion: pilidium (plural pilidia)
Senses:
topics: biology
natural-sciences
zoology
glosses: The free-swimming larva of certain proboscis worms, somewhat resembling a deerstalker hat. It has no resemblance to its parent, and the young worm undergoes development in its interior.
Forms:
form: pilidia
tags: plural