noun Etymology: ultimately from Greek trilobos three-lobed, from tri- + lobos lobe Date: 1832 any of numerous extinct Paleozoic marine arthropods (group Trilobita) having the segments of the body divided by furrows on the dorsal surface into three lobes

New Collegiate Dictionary. 2001.

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  • trilobite — ● trilobite nom masculin (latin scientifique trilobites, du latin classique lobus, lobe) Classe de grands proarthropodes marins munis d antennes, fossiles dans les terrains primaires. ⇒TRILOBITE, subst. masc. ZOOL. ,,Arthropode marin fossile à… …   Encyclopédie Universelle

  • Trilobite — Tri lo*bite (tr[imac] l[ o]*b[imac]t), n. [Cf. F. trilobite. See {Trilobate}.] (Paleon.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but… …   The Collaborative International Dictionary of English

  • trilobite — extinct marine arthropod, 1832, from Mod.L. Trilobites (Walch, 1771), from Gk. tri three + lobos lobe, so called because its body is divided into three lobes …   Etymology dictionary

  • trilobite — [trī′lə bīt΄] n. [< ModL Trilobites, Trilobita: see TRI , LOBE, ITE1] any of a large class (Trilobita) of extinct marine arthropods having the body divided by two furrows into three parts, found as fossils in Paleozoic rocks trilobitic… …   English World dictionary

  • Trilobite — ] Highly complex compound eyes are another obvious feature of the cephalon (see below). Figure 3 shows gross morphology of the cephalon. The cheeks (genae) are the pleural lobes on each side of the axial feature, the glabella. When trilobites… …   Wikipedia

  • Trilobite — Trilobita Trilobites …   Wikipédia en Français

  • trilobite — trilobitic /truy leuh bit ik/, adj. /truy leuh buyt /, n. any marine arthropod of the extinct class Trilobita, from the Paleozoic Era, having a flattened, oval body varying in length from 1 in. (2.5 cm) or less to 2 ft. (61 cm). [1825 35; < NL… …   Universalium

  • TRILOBITE — n. m. T. d’Histoire naturelle Crustacé de l’époque primaire …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • trilobite — noun /ˈtraɪləˌbaɪt/ An extinct arthropod of the class Trilobita, whose body had three large lobes …   Wiktionary

  • trilobite — tri·lo·bì·te s.f. TS paleont. invertebrato fossile marino della classe delle Trilobiti, diffuso nel Paleozoico | pl. con iniz. maiusc., classe del phylum degli Artropodi {{line}} {{/line}} DATA: 1840. ETIMO: dal lat. scient. Trilobītae, der. del… …   Dizionario italiano

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