an·​ne·​lid | \ ˈa-nə-ˌlid How to pronounce annelid (audio) \

Definition of annelid

: any of a phylum (Annelida) of usually elongated segmented coelomate invertebrates (such as earthworms and leeches)

Keep scrolling for more

Other Words from annelid

annelid adjective
annelidan \ ə-​ˈne-​lə-​dən How to pronounce annelid (audio) , a-​ \ adjective or noun

Examples of annelid in a Sentence

Recent Examples on the Web Found in China's Yangtze Gorge, along with 34 other fossils of the same species, researchers believe Y. spiciformis is related to a group of anthropods that includes crustaceans and millipedes or annelids. Fox News, "'Death march' of 550M year-old worm might be earliest known animal trail, study finds," 6 Sep. 2019 That is in contradistinction to Cambrian fossils, among which are found representatives of all the main animal groups (annelids, arthropods, brachiopods, chordates, cnidarians, echinoderms, molluscs and so on) that are around today. The Economist, "The Cambrian explosion was caused by a lack of oxygen, not an abundance," 7 June 2018 The first saw the emergence of brachiopods and molluscs, the second that of annelids, cnidarians, echinoderms and chordates (a group that includes the vertebrates). The Economist, "The Cambrian explosion was caused by a lack of oxygen, not an abundance," 7 June 2018 The new species, Trilobodrilus ellenscrippsae, is a half-millimeter-long annelid, or segmented worm, in the family Dinophilidae. Deborah Sullivan Brennan,, "Tiny sand worm named for La Jolla luminary," 6 Apr. 2018 Fish diets in the winter are made up primarily of midges and an assortment of small blue-winged olive nymphs and are occasionally supplemented by larger mayflies, annelids, trout eggs, stoneflies, and even caddis larva. Colorado Parks & Wildlife, The Denver Post, "Colorado fishing report for week of March 12, 2017," 12 Mar. 2017 These squiggly black annelids, just centimeters long, are one of only two types of animals that live inside glaciers. Joel Sartore, National Geographic, "Snow Day! 8 Surprisingly Snow-Loving Animals," 21 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'annelid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of annelid

1813, in the meaning defined above

History and Etymology for annelid

ultimately from Latin anellus little ring — more at annulet

Keep scrolling for more

Learn More about annelid

Time Traveler for annelid

Time Traveler

The first known use of annelid was in 1813

See more words from the same year

Statistics for annelid

Cite this Entry

“Annelid.” Dictionary, Merriam-Webster, Accessed 9 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on annelid Encyclopedia article about annelid

Comments on annelid

What made you want to look up annelid? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!