What is meaning of lain?

"Lain" is the past participle of the verb "to lie," which means to be in or assume a horizontal or resting position on a surface. It can also mean to be situated or located in a particular place.

Lain means:

- Past participle of lie.
- A thin flat piece of something (especially wood or stone).
- A meadow or piece of open grassy land, especially in the Scottish Highlands.