function
nounUK /ˈfʌŋkʃən/
US /ˈfʌŋkʃən/
The job that something is made to do.
The function of a spoon is to help you eat soup.
OTHER MEANINGS
2. A special event or party, often a formal one.
We are going to a charity function at the hotel.
3. In math, a rule that connects each input to exactly one output.
In this function, every number doubles when you put it in.
4. To work or operate properly.
The old clock still functions after a hundred years.