bulwagan

Etymology
From.

Noun

 * 1)  large hall of a building
 * 2) auditorium
 * 3) large room at the entrance of a building; foyer; lobby
 * 4) porch
 * 1) porch
 * 1) porch

Usage notes
For small halls, can be used instead.

Verb

 * 1) to have something come out suddenly or unexpectedly