function
func-tion · noun
Definitions
noun
- 1.
The purpose or intended role of something.
- 2.
A formal social event or ceremony.
- 3.
(Mathematics) A relation between sets that assigns each element of one set to exactly one element of another set.
- 4.
(Computing) A self-contained section of code that performs a specific task.
- 5.
An activity or operation natural to a person or thing.
- 6.
To work or operate in a particular way.
- 7.
To serve a particular purpose.
Forms
plural: functions
Phrases & expressions
- •function as — Serve the purpose of.
- •body function — A natural physical process.
- •vital function — An essential process or activity.
- •function key — A special key on a computer keyboard.
Related words
Etymology
From Old French fonction, from Latin functio ("performance, execution"), from fungi ("to perform, execute").