1.
ceiling
The upper interior surface of a room, opposite to the floor.
2.
ceiling, upper limit
A maximum level or limit (figurative use).
天井 means ceiling.
天 = sky/heaven, 井 = well (referring to the recessed appearance)
Types in traditional Japanese architecture:
- 格天井 (coffered ceiling)
- 竿縁天井 (boarded ceiling with battens)
- 船底天井 (boat-bottom ceiling)
Related terms:
Figurative use:
Related Words
Antonym:
床 (floor)