noun

an act or process of closing something, especially an institution, thoroughfare, or frontier, or of being closed.

hospitals that face closure

closing down,shutting down,shutdown,winding up,termination,discontinuation,discontinuance,cessation,finish,finishing,conclusion,concluding,stoppage,stopping,halting,ceasing,failure,folding

verb

apply the closure to (a debate or speaker) in a legislative assembly.