Klappe

feminineellipsis of Schiffsklappe

feminineany technical piece of equipment bound in front of a beast to obstruct its movement or vision, as a muzzle or twitch or barnacle (tendentially a muzzle, while a twitch preferredly bears the form Kluppe or Knuppe)

derogatoryfemininegob, mouth

Halte die Klappe!

feminineslangcottage, tea room (public toilet or similar place used by men seeking sex with other men, for cottaging)

feminineobsoletewhip, scourge

feminineobsoleteellipsis of Fliegenklappe (“fly swatter”)

feminineobsoletebuckbean (Menyanthes trifoliata); also Ziegenklappe and both as a plurale tantum

Austriadatedfeminineextension (a numerical code used to specify a specific telephone in a telecommunication network)

derogatoryellipsis of Klappe zu or halt die Klappe: shut your mouth

first-person singular present

first/third-person singular subjunctive I

singular imperative