the state of reposing or being at rest; rest; sleep.

What is a reposing?

the state of reposing or being at rest; rest; sleep. peace; tranquillity; calm. dignified calmness, as of manner; composure. absence of movement, animation, etc.: When in repose, her face recalls the Mona Lisa. SEE MORE.

What is a reposing room?

: a room (as in a funeral home) used for the viewing of the deceased by mourners.