annelid

[ an-l-id ]

noun

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

adjective

belonging or pertaining to the Annelida.

Origin of annelid

First recorded in 1825–35; see origin at Annelida

Also an·nel·i·dan [uh-nel-i-dn]. /əˈnɛl ɪ dn/.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use annelid in a sentence

We must even suppose that the segmental organs of Annelids were themselves transformations of still simpler structures.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
The nerves would then arise, not from the sides of the nervous cord as in existing Annelids, but from its extreme ventral summit.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
He supposes that the segmented Annelids, from which Vertebrates are descended, were swimming animals.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
This line must be supposed to have originated from the same unsegmented Vermes as the present segmented Annelids.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
The annelids are divided into four classes, one of which, the Gephyrea, has not the characteristics which distinguish the group.
The Sea-beach at Ebb-tide | Augusta Foote Arnold

British Dictionary definitions for annelid

annelid

/ (ˈænəlɪd) /

noun

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

of, relating to, or belonging to the Annelida

Origin of annelid

C19: from New Latin Annelida, from French annelés, literally: the ringed ones, from Old French annel ring, from Latin ānellus, from ānulus ring

Derived forms of annelid

annelidan (əˈnɛlɪdən), noun, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for annelid

annelid

[ ăn′ə-lĭd ]

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).

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