A pattern drawn on the ground, in paint, tile, or another medium, for the purpose of meditation while walking along the path.

A labyrinth of this kind is definitely not a maze, which presents a choice of paths; a meditative labyrinth has one continuous path to follow. Letting the path tell you where to walk helps to free your mind.

Labyrinths have recently become popular in mainstream Christianity in America, especially in Roman Catholic churches, although the tradition dates back for millennia.