[1] : The Collaborative International Dictionary of English v.0.48

venesection \ve`nesec"tion\, n. nl. venaesectio; l. vena vein
   + sectio section. med.
   the act or operation of opening a vein for letting blood;
   bloodletting; phlebotomy.
   1913 webster

[2] : WordNet (r) 2.0

venesection
     n : surgical incision into a vein; used to treat hemochromatosis
         syn: phlebotomy
see also:
phlebotomy 

Venesection >> V Words
Venesection, definition of term: Venesection
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