smell verb (CHARACTERISTIC)
B1 [I, L only + adj] to have a particular quality that others can notice with their noses:
My hands smell of onions.
That cake smells good.
There's something in the fridge that smells mouldy.
Your feet smell (= have an unpleasant smell). Why don't you wash them?
smell verb (DISCOVER)
B1 [T] to notice or discover something using the nose:
Come and smell these flowers!
Can you smell something burning?
[+ (that)] Didn't you smell (that) the pie was burning?
I can smell something rotten in the bottom of the fridge.