Definition of Trilobita in English:

Trilobita

noun ˌtrʌɪlə(ʊ)ˈbʌɪtəˌtrɪlə(ʊ)ˈbʌɪtə

With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a.

Definition of Trilobita in US English:

Trilobita

noun

With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a.

词汇	Trilobita
释义	Definition of Trilobita in English: Trilobita noun ˌtrʌɪlə(ʊ)ˈbʌɪtəˌtrɪlə(ʊ)ˈbʌɪtə With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites. Origin Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a. Definition of Trilobita in US English: Trilobita noun With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites. Origin Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a.
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