顶楼

頂樓
dǐnglóu
  1. top floor
  2. attic
  3. loft
  4. garret
  5. penthouse
  6. (flat) rooftop (often used as an outdoor living area etc)

CEDICT

top floor; attic; loft; garret; penthouse; rooftop (a rooftop that is flat and used as a living area, garden etc.)

Wiktionary

楼房的最上面一层。

重編國語辭典

Entry Composition

1 顶 dǐng
  1. apex
  2. crown of the head
  3. top
  4. roof
  5. most
  6. to carry on the head
  7. to push to the top
  8. to go against
  9. to replace
  10. to substitute
  11. to be subjected to (an aerial bombing, hailstorm etc)
  12. (slang) to "bump" a forum thread to raise its profile
  13. classifier for headwear, hats, veils etc
2 楼 lóu
  1. house with more than 1 story
  2. storied building
  3. floor

classifiers: 層, 座, 棟

Related entries

顶层 dǐngcéng
  1. top floor
  2. the top of a building
阁楼 gélóu
  1. garret
  2. loft
  3. attic
阁楼上积了灰。

Dust had accumulated in the attic.

Source: Tatoeba

楼厢 lóuxiāng loft
天台 tiāntái rooftop
那座大厦天台的景色很美的，想去看看嗎？

There's a great view from the rooftop of that building. Want to go see?

Source: Tatoeba