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any segmented worm of the phylum , including the earthworms, leeches, and various marine forms.
belonging or pertaining to the .
Historical Examples

Between the turbellarian and the annelid many aberrant lines diverged.
The Whence and the Whither of Man John Mason Tyler

He isolated the first two blastomeres of the egg of Lanice, an annelid.
The Organism as a Whole Jacques Loeb

The actions of all animals below the annelid are mainly reflex or automatic, unconscious and involuntary.
The Whence and the Whither of Man John Mason Tyler

But in the annelid the mouth is on the second segment; here it is on the fourth.
The Whence and the Whither of Man John Mason Tyler

Sometimes an annelid worm lives inside the shell along with the hermit and often the outside is covered with zoophytes.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 Various

They transformed the annelid parapodia into legs and developed wings.
The Whence and the Whither of Man John Mason Tyler

The eye of the turbellaria distinguishes only light from darkness, that of the annelid is a true visual organ.
The Whence and the Whither of Man John Mason Tyler

Clitellum, kli-tel′um, n. the saddle of an annelid, as the earthworm:—pl.
Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various

He was afterwards associated with H. Milne Edwards in works on annelid worms.
Lamarck, the Founder of Evolution Alpheus Spring Packard

Dohrn assumed also that the primitive annelid ancestor must have possessed a notochord to give support in swimming.
Form and Function E. S. (Edward Stuart) Russell

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
n.

“segmented worm,” 1834, from French annélide, source of the phylum name Annelida, coined in Modern Latin 1801 by French naturalist J.B.P. Lamarck (1744-1829), from annelés “ringed ones” (from Latin anulus “little ring,” a diminutive of anus; see anus) + Greek eidos “form, shape” (see -oid).
annelid
(ān’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).