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 arthropod is as below...

Baenomere :: Baenomere (n.) One of the somites (arthromeres) that make up the thorax of Arthropods.

Insect :: Insect (n.) Any air-breathing arthropod, as a spider or scorpion..

Crustacea :: Crustacea (n. pl.) One of the classes of the arthropods, including lobsters and crabs; -- so called from the crustlike shell with which they are covered..

Sternly :: Sternite (n.) The sternum of an arthropod somite.

Urosome :: Urosome (n.) The abdomen, or post-abdomen, of arthropods..

Pycnogonida :: Pycnogonida (n. pl.) A class of marine arthropods in which the body is small and thin, and the eight legs usually very long; -- called also Pantopoda..

Stigma :: Stigma (v. t.) One of the external openings of the tracheae of insects, myriapods, and other arthropods; a spiracle..

Malacopoda :: Malacopoda (n. pl.) A class of air-breathing Arthropoda; -- called also Protracheata, and Onychophora..

Trilobite :: Trilobite (n.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment..

Sternutation :: Sternum (n.) The ventral part of any one of the somites of an arthropod.

Tracheata :: Tracheata (n.pl.) An extensive division of arthropods comprising all those which breathe by tracheae, as distinguished from Crustacea, which breathe by means of branchiae..

Arachnida :: Arachnida (n. pl.) One of the classes of Arthropoda. See Illustration in Appendix.

Myriapoda :: Myriapoda (n. pl.) A class, or subclass, of arthropods, related to the hexapod insects, from which they differ in having the body made up of numerous similar segments, nearly all of which bear true jointed legs. They have one pair of antennae, three pairs of mouth organs, and numerous trachaae, similar to those of true insects. The larvae, when first hatched, often have but three pairs of legs. See Centiped, Galleyworm, Milliped..

Protozoonite :: Protozoonite (n.) One of the primary, or first-formed, segments of an embryonic arthropod..

Uromere :: Uromere (n.) Any one of the abdominal segments of an arthropod.

Lindia :: Lindia (n.) A peculiar genus of rotifers, remarkable for the absence of ciliated disks. By some zoologists it is thought to be like the ancestral form of the Arthropoda..

Circumesophagal :: Circumesophagal (a.) Surrounding the esophagus; -- in Zool. said of the nerve commissures and ganglia of arthropods and mollusks.

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

Anarthropodous :: Anarthropodous (a.) Having no jointed legs; pertaining to Anarthropoda.

Arthroderm :: Arthroderm (n.) The external covering of an Arthropod.

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