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

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..
Setigerous :: Setigerous (a.) Covered with bristles; having or bearing a seta or setae; setiferous; as, setigerous glands; a setigerous segment of an annelid; specifically (Bot.), tipped with a bristle..
Peseta :: Peseta (n.) A Spanish silver coin, and money of account, equal to about nineteen cents, and divided into 100 centesimos..
Moha :: Moha (n.) A kind of millet (Setaria Italica); German millet.
Seta :: Seta (n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss..
Seta :: Seta (n.) One of the spinelike feathers at the base of the bill of certain birds.
Aphrodite :: Aphrodite (n.) A large marine annelid, covered with long, lustrous, golden, hairlike setae; the sea mouse..
Setaceous :: Setaceous (a.) Set with, or consisting of, bristles; bristly; as, a stiff, setaceous tail..
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..
Equisetum :: Equisetum (n.) A genus of vascular, cryptogamic, herbaceous plants; -- also called horsetails..
Pteridophyta :: Pteridophyta (n. pl.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia..
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..
Horsetail :: Horsetail (n.) A Turkish standard, denoting rank..
Foxtail :: Foxtail (n.) The name of several kinds of grass having a soft dense head of flowers, mostly the species of Alopecurus and Setaria..
Trichophore :: Trichophore (n.) One of the saclike organs from which the setae of annelids arise.
Setula :: Setula (n.) A small, short hair or bristle; a small seta..
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..
Mousetail :: Mousetail (n.) A genus of ranunculaceous plants (Myosurus), in which the prolonged receptacle is covered with imbricating achenes, and so resembles the tail of a mouse..
Isosporic :: Isosporic (a.) Producing but one kind of spore, as the ferns and Equiseta. Cf. Heterosporic..
Setaceous :: Setaceous (a.) Bristelike in form or texture; as, a setaceous feather; a setaceous leaf..
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