From backen + Rohr.
Backrohr n (strong, genitive Backrohres or Backrohrs, plural Backrohre)
- (chiefly Austria, Bavaria, Southern Germany, South Tyrol) oven
Declension of Backrohr [neuter, strong]
- “Backrohr” in Duden online
- “Backrohr” in Digitales Wörterbuch der deutschen Sprache
- “Backrohr” in Uni Leipzig: Wortschatz-Lexikon