Obs. [f. BLOOD sb. + IRON sb.] An instrument for letting blood; a lancet.

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c. 1440.  Promp. Parv., 40. Bloodeyryn, bledynge yryn.

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1451.  Invent., in Test. Ebor., III. 118. De blode yrens et launcettes in j case.

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1523.  Fitzherb., Husb., § 58. Take a bloud yren … and smyte hym bloudde on bothe sydes.

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