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megaoesophagus
megaoesophagus n. 
/ˌmɛɡə(r)iːˈsɒfəɡəs/,
Brit. /ˌmɛɡə(r)ᵻˈsɒfəɡəs/
, /ˌmɛɡə(r)ᵻˈsɒfəɡəs//ˌmɛɡə(r)iːˈsɒfəɡəs/U.S. /ˌmɛɡəəˈsɑfəɡəs/
Pathology gross dilatation of the oesophagus, often associated with achalasia or Chagas' disease./ˌmɛɡəəˈsɑfəɡəs/ΚΠ
1937 Guy's Hosp. Rep. 87 158 Megaoesophagus may be defined as a dilatation of the oesophagus caused by a functional disorder of the cardia.
1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) I. v. 523/2 Early megaoesophagus can be relieved by balloon dilation but established severe megaoesophagus and megacolon require surgery.
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