venesection noun. [vɛnɪ'sɛkʃ(ǝ)n, vi:nɪ-] M17.
[medieval Latin venae sectio cutting of a vein: see VENA, SECTION noun.]
Medicine. (An instance of) the surgical operation of cutting or opening a vein; phlebotomy; the former practice of this as a remedy.

■ venesector noun (a) a blood-letter; (b) a phlebotomist: L19.

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