The phrase Prager house does not correspond to a widely recognized concept, institution, historical landmark, or term documented in major encyclopedic references. Consequently, there is insufficient verifiable information to provide a detailed encyclopedic entry.
The components of the phrase can be interpreted linguistically: Prager is the German adjective meaning “of Prague” or “from Prague,” and house denotes a building or residence. Accordingly, the term could plausibly be used descriptively for a dwelling associated with Prague or for an organization that adopts the name for branding or cultural purposes. However, without reliable sources confirming a specific usage, no definitive definition can be offered.