selachian


se·la·chi·an

noun \sə-ˈlā-kē-ən\

Definition of SELACHIAN

:  any of a variously classified group (Selachii) of cartilaginous fishes that includes the existing sharks and typically most related elasmobranchs (as rays)
selachian adjective

Origin of SELACHIAN

ultimately from Greek selachos cartilaginous phosphorescent fish; akin to Greek selas brightness
First Known Use: 1835

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