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cranidium

noun
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cra·​nid·​i·​um | \ krəˈnidēəm \
plural cranidia\ -​dēə \

Definition of cranidium

: the central part of the cephalon of a trilobite bounded by the facial sutures

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History and Etymology for cranidium

New Latin, from Late Greek kranidion small skull, diminutive of kranion skull

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“Cranidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cranidium. Accessed 3 Mar. 2021.

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