American Dictionary

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Definition roof in American English

roof noun

[countable] noun
/ruf/
1

the top outer part of a building

Example

The roof is leaking again.

Example

a thatched roof (=made of straw)

Synonyms and related words
1.1

the top outer part of a vehicle

Example

One man had climbed onto the roof of his car.

Synonyms and related words
1.2

the top outer part of a temporary structure

Example

Rain pattered on the roof of the tent.

Synonyms and related words
2

the highest part of an underground area or structure

Example

rock formations on the roof of the cave

Synonyms and related words
3

the hard top part of the inside of your mouth

Synonyms and related words
Definition roof in American English