Smell
Scent, Odor
noun
This the noun version of the kanji for smell. It also means smell, or scent!
Although 匂う often implies something smells unpleasant, 匂い is more neutral and can refer to any kind of smell.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You learned this reading with the kanji, so you should be able to read it already!
先輩、革ジャンの匂いは好きですか？
Do you like the smell of leather jackets, senpai?
その温泉は、バナナの匂いがする。
That hot spring smells like banana.
このトイレは匂いが強すぎて、鼻で息をしたくない。
The odor of this bathroom is so strong that I don't want to breathe through my nose.