floor; storey
Refers to a level or storey of a building. Often used as a suffix after a number or descriptor, e.g. 二階 (second floor).
This building is five storeys tall.
The reception desk is on the second floor.
Rare standalone noun for stairs; the reading きざはし is more common for this meaning. Modern Japanese usually uses 階段 (かいだん).
See also: 階 (きざはし)
In old texts, 階 can be read as きざはし and refer to stairs.
Technical term in chronostratigraphy for a stage, a unit of geological time. Not used in everyday conversation.
This fossil is from the Albian stage of the Cretaceous period.
counter for floors
Counter used for storeys or floors of a building. Attaches to numbers: 一階 (first floor), 何階 (which floor?).
This department store has floors from the second basement to the eighth floor.
This apartment building has ten floors.
I went up to the fifth floor by elevator.
The bookstore is on the third floor of the department store.
Excuse me, what floor is the restroom on?
hierarchy; stratum; layer; level; class
top floor; uppermost floor
musical scale
upper floor; upstairs · top of the stairs
lower floor; downstairs · bottom of the stairs; foot of the stairs
each floor; every floor
number of floors; number of stairs · rank; order
court rank; official rank
first floor; ground floor · one floor; one storey · one rank
third floor; third storey
second floor; upstairs
what floor; which floor
upper floor; floor above; upstairs
floor below; lower floor
monastic rank; rank of a monk
ordination
Shinto divine rank; rank of Shinto gods
job ranking; job grade; occupational rank