noun Etymology: ultimately from Greek trilobos three-lobed, from tri- + lobos lobe Date: 1832 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
TRILOBITE
Meaning of TRILOBITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012