A2
a set of rooms for living in, especially on one floor of a building
Dictionary examples:
My apartment is so high up, I wave to airplanes from my window! (0.0)
My apartment is so small, I sneeze in the bedroom and hit my head in the kitchen! (0.0)
In my tiny apartment, I use the bathtub as a closet! (0.0)
I'll give you the keys to my apartment. (14.2)
They have six luxury apartments for sale. (26.1)
a one-/two-/three-bedroom apartment (47.6)