Meaning of “smell” - Learner’s Dictionary

smell

noun us uk /smel/
Extra Examples
The smell of coffee wafted through the room.The smell of cooking made his stomach rumble.The smells from the kitchen are making my mouth water.Police dogs are very good at discriminating between different smells.The smell from the fire still lingered hours later.
QUALITY [ C ]

B1 the quality that something has which you notice by using your nose:

The smell of roses filled the room.
There was a delicious smell coming from the kitchen.
UNPLEASANT [ C ]

an unpleasant smell:

I wish I could get rid of that smell in the bathroom.
ABILITY [ U ]

B2 the ability to notice smells:

Smoking can affect your sense of smell.

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