trilobite

(trīlə bīt′)

noun

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

Origin: < ModL Trilobites, Trilobita: see tri-, lobe, -ite

Related Forms:

See trilobite in American Heritage Dictionary 4

noun
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.

Origin:

Origin: New Latin Trilobītēs, former class name

Origin: , from Greek trilobos, three-lobed

Origin: : tri-, tri-

Origin: + lobos, lobe

.

Related Forms:

  • triˌlo·bitˈic (-bĭtˈĭk) adjective

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