ˈtrīləˌbīt noun
( -s )
Etymology: New Latin Trilobites division of Arthropoda comprising the trilobites, from Greek trilobos three-lobed (from tri- three + lobos lobe) + Latin -ites -ite — more at tri- , sleep
: any of numerous extinct Paleozoic marine arthropods that constitute the group Trilobita, have delicate biramous appendages and the segments of the body divided by furrows on the dorsal surface into a median axis and two lateral pleura, are usually of a flattened oval form, and besides the longitudinal lobes present the three transverse body regions of head, thorax, and pygidium of which the first is covered by a continuous shield, the second consists of a variable number of free segments, and the last of a number of coalescent segments
• tri·lo·bit·ic | ̷ ̷ ̷ ̷|bid.ik adjective
[s]trilobit.jpg[/s] [
fossil of a trilobite
]