What is "men's rooms"

Usage examples of "men's rooms".

I told him to go back to the clubhouse men's rooms and look for men in white linen suits vomiting in the urinals.

I went into the lobby, smelled the familiar odor--it reminds me of the pink cakes they put in the urinals of public men's rooms these days--and glanced around at the same ratty palm trees overhanging the same faded red tile floor.