Peanut Worm — synonyms, definition

1. peanut worm (Noun)

1 synonym
sipunculid
1 definition

peanut worm (Noun) — Small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut.

1 type of
invertebrate
2 parts of
Sipuncula phylum Sipuncula