function
nounUK /ˈfʌŋkʃən/
US /ˈfʌŋkʃən/
The job that something does or 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 town hall.
3. In math, a rule that gives one output for each input.
In this function, every number is doubled.
4. To work or operate properly.
The old clock still functions after many years.