trilobite [trahy-luh-bahyt] EXAMPLES|WORD ORIGIN noun any marine arthropod of the extinct class Trilobita, from the Paleozoic Era, having a flattened, oval body varying in length from 1 inch (2.5 cm) or less to 2 feet (61 cm).
Origin of trilobite 1825–35; New Latin Trilobites, equivalent to Greek trílob(os) three-lobed (see, ) + -ītēs Related formstri·lo·bit·ic [trahy-luh-bit-ik] /ˌtraɪ ləˈbɪt ɪk/, adjective Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trilobite Historical Examples of trilobite
To the geologist man is just as much and just as little as a trilobite or a megatherium.
C. J. Ellicott
I will also exchange minerals for stalagmites, and a trilobite for a stalactite.
The appendages are not known, but the test is in some ways like that of a trilobite.
Percy Edward Raymond
Trilobite—trīlo-bīte, not trĭlo-bīte nor trŏllo-bīte, as it is often called.
L. P. Meredith
One of the most abundant fossil animals in ancient rocks is called a trilobite.
Julia Ellen Rogers
British Dictionary definitions for trilobite trilobite noun any extinct marine arthropod of the group Trilobita, abundant in Palaeozoic times, having a segmented exoskeleton divided into three parts Derived Formstrilobitic (ˌtraɪləˈbɪtɪk), adjectiveWord Origin for trilobite C19: from New Latin Trilobītēs, from Greek trilobos having three lobes; see tri-, lobe Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for trilobite n.
extinct marine arthropod, 1832, from Modern Latin Trilobites (Walch, 1771), from Greek tri- “three” (see) + lobos “lobe” (see ); so called because its body is divided into three lobes.
Online Etymology Dictionary, © 2010 Douglas Harper trilobite in Science trilobite [trī′lə-bīt′] Any of numerous extinct and mostly small arthropods of the subphylum Trilobita that lived during the Paleozoic Era and are extremely common as fossils. Trilobites had a hard outer covering divided into three lengthwise and three widthwise sections. Their heads had two prominent compound eyes similar in structure to those of modern insects. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.