| Phlebotomy (n.) The act or practice of opening a vein for letting blood, in the treatment of disease; venesection; bloodletting. Thesaurus Entries aspiration, bleeding, bloodletting, broaching, cupping, drafting, drainage, draining, drawing, emptying, leeching, milking, pipetting, pumping, siphoning, sucking, suction, tapping, venesection |