Meaning of “floor” - Learner’s Dictionary

floor

noun us uk /flɔːr/
Extra Examples
Water had leaked all over the floor.He picked his coat up off the floor.She put her bag on the floor.The dog left prints all over the kitchen floor.She's just swept the floor.
SURFACE [ C ]

A1 a surface that you walk on inside a building:

a wooden/tiled floor
I must sweep the kitchen floor.
BUILDING [ C ]

A2 a particular level of a building:

the second/third floor
Which floor are we on?
BOTTOM [ no plural ]

the ground or surface at the bottom of something:

the forest/sea floor
AREA [ C ]

B1 an area where a particular activity happens:

a dance floor
→ See also first floor , ground floor , shop floor

(Definition of “floor” from the Cambridge Learner’s Dictionary © Cambridge University Press)