tri·lo·bite (tr  l -bt )n. Any of numerous extinct marine arthropods of the class Trilobita, of the Paleozoic Era, having a segmented body divided by grooves into three vertical lobes and found as fossils throughout the world. [New Latin Trilob t s, former class name, from Greek trilobos, three-lobed : tri-, tri- + lobos, lobe.]tri lo·bitic (-b tk) adj. |
trilobite [ˈtraɪləˌbaɪt]
n
(Earth Sciences / Palaeontology) any extinct marine arthropod of the group Trilobita, abundant in Palaeozoic times, having a segmented exoskeleton divided into three parts
[from New Latin Trilobītēs, from Greek trilobos having three lobes; see tri-, lobe]
trilobitic [ˌtraɪləˈbɪtɪk] adj
| trilobite (trl-bt) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  trilobite - an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three partsarthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin |
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