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]
(..) And remember... it's our little secret. Hey, Nala. Hi, Simba. Come on. I just heard about this great place. Simba! I'm kind of in the middle of a bath. And it's time for yours. Mom!... Mom. You're messing up my mane. Okay, okay; I'm clean. Can we go now? No. It's really cool. (..)1994 The Lion King