Definition of seta

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Seta (n.) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form..

Lern More About Seta

Gephyrea :: Gephyrea (n. pl.) An order of marine Annelida, in which the body is imperfectly, or not at all, annulated externally, and is mostly without setae..
Foxtail :: Foxtail (n.) The name of several kinds of grass having a soft dense head of flowers, mostly the species of Alopecurus and Setaria..
Horsetail :: Horsetail (n.) A Turkish standard, denoting rank..
Equisetum :: Equisetum (n.) A genus of vascular, cryptogamic, herbaceous plants; -- also called horsetails..
Equisetaceous :: Equisetaceous (a.) Belonging to the Equisetaceae, or Horsetail family..
Sea Mouse :: Sea mouse () A dorsibranchiate annelid, belonging to Aphrodite and allied genera, having long, slender, hairlike setae on the sides..
Seta :: Seta (n.) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form..
Pteridophyta :: Pteridophyta (n. pl.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia..
Setae :: Setae (pl. ) of Set.
Aplacophora :: Aplacophora (n. pl.) A division of Amphineura in which the body is naked or covered with slender spines or setae, but is without shelly plates..
Setiform :: Setiform (a.) Having the form or structure of setae.
Setiger :: Setiger (n.) An annelid having setae; a chaetopod.
Joint-fir :: "Joint-fir (n.) A genus (Ephedra) of leafless shrubs, with the stems conspicuously jointed; -- called also shrubby horsetail. There are about thirty species, of which two or three are found from Texas to California..
Millet :: Millet (n.) The name of several cereal and forage grasses which bear an abundance of small roundish grains. The common millets of Germany and Southern Europe are Panicum miliaceum, and Setaria Italica..
Calamite :: Calamite (n.) A fossil plant of the coal formation, having the general form of plants of the modern Equiseta (the Horsetail or Scouring Rush family) but sometimes attaining the height of trees, and having the stem more or less woody within. See Acrogen, and Asterophyllite..
Chaetopoda :: Chaetopoda (n. pl.) A very extensive order of Annelida, characterized by the presence of lateral setae, or spines, on most or all of the segments. They are divided into two principal groups: Oligochaeta, including the earthworms and allied forms, and Polychaeta, including most of the marine species..
Horsetail :: Horsetail (n.) A leafless plant, with hollow and rushlike stems. It is of the genus Equisetum, and is allied to the ferns. See Illust. of Equisetum..
Perichaetous :: Perichaetous (a.) Surrounded by setae; -- said of certain earthworms (genus Perichaetus).
Setaceous :: Setaceous (a.) Set with, or consisting of, bristles; bristly; as, a stiff, setaceous tail..
Trichophore :: Trichophore (n.) One of the saclike organs from which the setae of annelids arise.
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