embolium

noun
em·​bo·​li·​um | \ emˈbōlēəm\
plural embolia\ -​ēə \

Definition of embolium

: a narrow piece on the costal margin of the corium of the wings of certain true bugs

History and Etymology for embolium

New Latin, from Greek embolion insertion, embossed ornament, diminutive of embolos

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