smell verb (CHARACTERISTIC)
That cake smells good.
smell verb (DISCOVER)
Come and smell these flowers!
Can you smell something burning?
smell verb (ABILITY)
Humans can't smell as well as dogs.
smell noun (CHARACTERISTIC)
There's a delicious smell in here.
the smell of sth literary
smell noun (ABILITY)
Smell is one of the five senses.
Dogs have a very good sense of smell.