Trilobite

Trilobite
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 became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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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 — 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 larva — noun : a 3 lobed larva that is a developmental form of limulus and resembles a trilobite …   Useful english dictionary

  • trilobite — 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 …   New Collegiate Dictionary

  • 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

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