Dictionary

trilobite

noun tri·lo·bite \ˈtrī-lə-ˌbīt\

Definition of TRILOBITE

:  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
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Illustration of TRILOBITE

Origin of TRILOBITE

ultimately from Greek trilobos three-lobed, from tri- + lobos lobe
First Known Use: 1832

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