‖n. [ NL., fr Gr. &unr_; a burning, an inflammation, fr. &unr_; to burn, fr. &unr_; fire. ] (Med.) See Water brash, under Brash. [ 1913 Webster ]
(n) a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder, Syn. pyrosis