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 segment is as below...

Holoblastic :: Holoblastic (a.) Undergoing complete segmentation; composed entirely of germinal matter, the whole of the yolk undergoing fission; -- opposed to meroblastic..

Metasternum :: Metasternum (n.) The ventral plate of the third or last segment of the thorax of insects.

Hypobranchial :: Hypobranchial (a.) Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch.

Glowworm :: Glowworm (n.) A coleopterous insect of the genus Lampyris; esp., the wingless females and larvae of the two European species (L. noctiluca, and L. splendidula), which emit light from some of the abdominal segments..

Division :: Division (n.) The portion separated by the divining of a mass or body; a distinct segment or section.

Procerite :: Procerite (n.) The segment next to the flagellum of the antennae of Crustacea.

Mesencephalon :: Mesencephalon (n.) The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain.

Branchiate :: Branchiate (a.) Furnished with branchiae; as, branchiate segments..

Clitellus :: Clitellus (n.) A thickened glandular portion of the body of the adult earthworm, consisting of several united segments modified for reproductive purposes..

Blastocoele :: Blastocoele (n.) The cavity of the blastosphere, or segmentation cavity..

Epipharyngeal :: Epipharyngeal (a.) Pertaining to the segments above the epibranchial in the branchial arches of fishes.

Catadromous :: Catadromous (a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous..

Arch :: Arch (n.) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed..

Thorax :: Thorax (n.) The second, or middle, region of the body of a crustacean, arachnid, or other articulate animal. In the case of decapod Crustacea, some writers include under the term thorax only the three segments bearing the maxillipeds; others include also the five segments bearing the legs. See Illust. in Appendix..

Octofid :: Octofid (a.) Cleft or separated into eight segments, as a calyx..

Scallop :: Scallop (n.) One of series of segments of circles joined at their extremities, forming a border like the edge or surface of a scallop shell..

Segmented :: Segmented (a.) Divided into segments or joints; articulated.

Interhyal :: Interhyal (a.) Of or pertaining to a segment sometimes present at the proximal end of the hyoidean arch.

Strobila :: Strobila (n.) A form of the larva of certain Discophora in a state of development succeeding the scyphistoma. The body of the strobila becomes elongated, and subdivides transversely into a series of lobate segments which eventually become ephyrae, or young medusae..

Xiphisternum :: Xiphisternum (n.) The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process..

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