anaphylactic shock: Meaning and Definition of

an'aphylac'tic shock'

Pronunciation: [key]
  1. a severe and sometimes fatal allergic reaction to a foreign substance, esp. a protein, as serum or bee venom, to which an individual has become sensitized, often involving rapid swelling, acute respiratory distress, and collapse of circulation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.