D defs.my
Entry 1 sense Webster, 1913

Gastroscope

/găs'-trəs-kōpˌ/ · Gas·tro·scope · IPA /ɡˈæstrəskˌoʊp/
01 n. An instrument for viewing or examining the interior of the stomach.
  1. 1.
    An instrument for viewing or examining the interior of the stomach.(Med.)