| English noun: sipunculid | |||
| 1. | sipunculid (animal) small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut | ||
| Synonyms | peanut worm | ||
| Broader (hypernym) | invertebrate | ||
| Member meronym | phylum Sipuncula, Sipuncula | ||