Lie is a verb meaning to say or write something that is not true in order to deceive someone.
As a noun, lie refers to a false statement made with the intention to deceive.
The term "lie" also refers to:
1. The way something is situated or arranged (e.g. "The book lies on the table")
2. To be in a flat position on a surface (e.g. "He lies on the sofa")
3. To be buried in a particular place (e.g. "Her remains lie in the churchyard")