Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of annelid is as below...

Sandworm :: Sandworm (n.) Any species of annelids of the genus Sabellaria. They construct firm tubes of agglutinated sand on rocks and shells, and are sometimes destructive to oysters..

Septum :: Septum (n.) One of the transverse partitions dividing the body cavity of an annelid.

Echiuroidea :: Echiuroidea (n. pl.) A division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans..

Telotrochous :: Telotrochous (a.) Having both a preoral and a posterior band of cilla; -- applied to the larvae of certain annelids.

Uncinus :: Uncinus (n.) One of the peculiar minute chitinous hooks found in large numbers in the tori of tubicolous annelids belonging to the Uncinata.

Sabella :: Sabella (n.) A genus of tubicolous annelids having a circle of plumose gills around the head.

Archiannelida :: Archiannelida (n. pl.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.

Nereid :: Nereid (n.) Any species of Nereis. The word is sometimes used for similar annelids of other families.

Lithophagous :: Lithophagous (a.) Eating or destroying stone; -- applied to various animals which make burrows in stone, as many bivalve mollusks, certain sponges, annelids, and sea urchins. See Lithodomus..

Nereidian :: Nereidian (n.) Any annelid resembling Nereis, or of the family Lycoridae or allied families..

Capitibranchiata :: Capitibranchiata (n. pl.) A division of annelids in which the gills arise from or near the head. See Tubicola.

Annelidan :: Annelidan (a.) Of or pertaining to the Annelida.

Neurocord :: Neurocord (n.) A cordlike organ composed of elastic fibers situated above the ventral nervous cord of annelids, like the earthworm..

Setiger :: Setiger (n.) An annelid having setae; a chaetopod.

Spermatophore :: Spermatophore (n.) A capsule or pocket inclosing a number of spermatozoa. They are present in many annelids, brachiopods, mollusks, and crustaceans. In cephalopods the structure of the capsule is very complex..

Sea Mouse :: Sea mouse () A dorsibranchiate annelid, belonging to Aphrodite and allied genera, having long, slender, hairlike setae on the sides..

Spirable :: Spiodea (n. pl.) An extensive division of marine Annelida, including those that are without oral tentacles or cirri, and have the gills, when present, mostly arranged along the sides of the body. They generally live in burrows or tubes..

Hypoderma :: Hypoderma (n.) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates..

Pseudhaemal :: Pseudhaemal (a.) Pertaining to the vascular system of annelids.

Annelida :: Annelida (n. pl.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chaetopoda, including the Oligochaeta or earthworms and Polychaeta or marine worms; and the Hirudinea or leeches. See Chaetopoda..

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