Dictionary definition · function
noun
- (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
- what something is used for"the function of an auger is to bore holes"
- the actions and activities assigned to or required or expected of a person or group"the function of a teacher"
- a relation such that one thing is dependent on another"height is a function of age"
- a formal or official social gathering or ceremony"it was a black-tie function"
- a formal or official social gathering or ceremony of people"the party was quite an affair"
- a set sequence of steps, part of larger computer program
verb
- perform as expected when applied"The washing machine won't go unless it's plugged in"
- serve a purpose, role, or function"The tree stump serves as a table"
- perform duties attached to a particular office or place or function"His wife officiated as his private secretary"
Source: Open English WordNet (CC BY 4.0).