The Collaborative International Dictionary of English v.0.48:

Phlebotomize \Phle*bot"o*mize\, v. t. [imp. & p. p.
   Phlebotomized; p. pr. & vb. n. Phlebotomizing.] [Cf. F.
   phl['e]botomiser.]
   To let blood from by opening a vein; to bleed. [R.] --Howell.
   [1913 Webster]