From Wiktionary, the free dictionary
dick + Darm
Dickdarm m (strong, genitive Dickdarmes or Dickdarms, plural Dickdärme)
- (anatomy) colon, large intestine
Declension of Dickdarm [masculine, strong]
- “Dickdarm” in Duden online
- “Dickdarm” in Digitales Wörterbuch der deutschen Sprache