Sipunculoidea
plural noun
Si·pun·cu·loi·dea
| \ (ˌ)sīˌpəŋkyəˈlȯidēə \
Definition of Sipunculoidea
1
: a group of marine worms of obscure systematic position that are commonly classed as a division of Gephyrea and that lack setae and have the mouth at the end of a retractile introvert similar to a proboscis and usually provided with tentacles and the anus anterior and dorsal
2
in some classifications
a
: a group coextensive with Gephyrea
b
: a class or other group comprising Sipunculoidea (see sense 1 above) and Priapuloidea
Keep scrolling for more
Learn More About Sipunculoidea
Dictionary Entries Near Sipunculoidea
Sipunculoidea
si quaeris peninsulam amoenam, circumspice
See More Nearby EntriesStatistics for Sipunculoidea
Look-up Popularity
Cite this Entry
“Sipunculoidea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Sipunculoidea. Accessed 22 Sep. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Difficult Spelling Words Quiz
-
- Which is the correct spelling?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share Sipunculoidea