[trahy-luh-bahyt] 
| 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). |
| tri·lo·bite (trī'lə-bīt') 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 Trilobītēs, former class name, from Greek trilobos, three-lobed : tri-, tri- + lobos, lobe.] tri'lo·bit'ic (-bĭt'ĭk) adj. |
| trilobite (trī'lə-bīt') Pronunciation Key
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. |
ləˌbaɪt