From Wiktionary, the free dictionary
Gosche (“mouth”) + -erl
Goscherl n (strong or mixed, genitive Goscherls, plural Goscherl or Goscherln)
- (Bavaria, Austria, informal) mouth
- (Austria) Clipping of Froschgoscherl (“dirndl bodice border”).
Declension of Goscherl [neuter, strong // mixed]