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]
(..) -I don't know. There's no limit to his ambitions. -Thank you. -Quickly. Go! Do something for me. Take a bath. A bath? These are my private chambers, my son. I have priests who would hear your confession. I see the boy I knew (..)1991 Robin Hood: Prince of Thieves