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 of trilobitefrom Modern Latin Trilobites, Trilobita: see tri-, lobe, -ite
Any of numerous extinct marine arthropods of the class Trilobita, of the Paleozoic Era, having a segmented body divided by grooves into three longitudinal lobes and found as fossils throughout the world.
Origin of trilobiteNew Latin Trilobītēs former class name from Greek trilobos three-lobed tri- tri- lobos lobe
tri- +"Ž lobe +"Ž -ite