barium meal

== English == === Noun === barium meal (plural barium meals) (medicine) A preparation of barium sulfate (a radioopaque compound) which the patient ingests for the purpose of producing clear radiographs of the esophagus, stomach, and duodenum. (medicine) A diagnostic procedure based on observing the barium meal's progress in the digestive tract. (espionage, figurative) The deliberate release of traceable information to a suspect to see whether they leak it. ==== Translations ====