The house has three bedrooms and one and a half 'baths'. [=one full bathroom and one bathroom with only a sink and a toilet]
Would you like me to 'draw/run a bath' for you? [=to fill the bathtub with water for you?]
a 'full bath' [=a bathroom with a sink, toilet, and a bathtub or shower]
(..) please dismiss your guests. I have grave news. You must forgive my manners. You'll both be tired after your long journey. We'll have baths drawn for you and supper sent to your rooms. ( speaking Dothraki ) Am I your prisoner? Not yet. Our ironborn and Dornish allies (..)2017 TvShow: Game of Thrones Title: The Queen's Justice Season: 7 Episode 3