annelid

American  

[an-l-id] / ˈæn l ɪd /

Also annelidan

noun

1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms.

---

adjective

1. belonging or pertaining to the Annelida.

annelid British  

/ ˈænəlɪd, əˈnɛlɪdən /

noun

1. any worms of the phylum Annelida, in which the body is divided into segments both externally and internally. The group includes the earthworms, lugworm, ragworm, and leeches

---

adjective

1. of, relating to, or belonging to the Annelida

annelid Scientific  

/ ăn′ə-lĭd /

1. Any of various worms or wormlike animals of the phylum Annelida, characterized by an elongated, cylindrical body divided into ringlike segments. Most annelids have movable bristles called setae, and include earthworms, leeches, and polychetes (marine worms).

---

Other Word Forms

Derived Forms

• annelidan
  noun

Etymology

Origin of annelid

First recorded in 1825–35; see origin at Annelida

Example Sentences

Chitin is the primary building material both for the exoskeleton of insects and for the bristles of bristle worms such as the marine annelid worm Platynereis dumerilii.

From Science Daily • May 13, 2024

Starring a bespeckled annelid, the little guy is on the crawl from a raven and Macbeth’s witches trying to use him in a potion.

From Washington Times • Apr. 21, 2021

The leeches raised there, destined for surgical use, are “freshwater, bloodsucking, multi-segmented annelid worms with ten stomachs, thirty-two brains, nine pairs of testicles, and several hundred teeth.”

From The New Yorker • Jan. 7, 2019

Invertebrates include insects, arachnids, nematode worms, annelid worms, mollusks, flatworms, cnidarians, sponges, echinoderms, and crustaceans.

From Textbooks • Jan. 1, 2015

Thus, for instance, an insect, standing at the head of the articulated animals, is, in the larva state, a true annelid, or worm, the annelida being the lowest in the same class.

From A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' by Bowen, Francis