†P4. to die in a vein: to die through loss of blood. Obsolete.
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to die in a vein1547
1547 W. BaldwinTreat. Morall Phylos.i. xxix. sig. hviiv Seneca..supposyng that to dye in a vayne, was the easyest kynde of death, desyred to be let bloode in the vaynes of his armes.