Meaning of “smell” - Learner’s Dictionary

smell

verb uk us /smel/ (past tense and past participle smelled, also UK smelt)
smell of/like; smell delicious/horrible, etc

B1 to have a particular quality that people notice by using their nose:

I've been cooking, so my hands smell of garlic.
That soup smells delicious - what's in it?
NOTICE [ T ]

B1 to notice something by using your nose:

I think I can smell something burning.
UNPLEASANT [ I ]

B1 to have an unpleasant smell:

Your running shoes really smell!
PUT YOUR NOSE NEAR [ T ]

B1 to put your nose near something and breathe in so that you can notice its smell:

Come and smell these flowers.
ABILITY [ I ]

B2 to have the ability to notice smells:

Dogs can smell much better than humans.

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