meander

1. (often plural) One of the turns of a winding, crooked, or involved course.Examples: "the meanders of an old river, or of the veins and arteries in the body"oftenplural

2. (geography) One of a series of regular sinuous curves, bends, loops, turns, or windings in the channel of a river, stream, or other watercourseExamples: "See, how the streams advancing to the main, / Through crooked channels draw their crystal train! / While lingering thus they in meanders glide, / They scatter verdant life on either side."

3. (mathematics) A self-avoiding closed curve which intersects a line a number of times.

4. (possibly obsolete) A path on which the directions, distances, and elevations are noted, as a part of a land survey.Examples: "Markings on Meander Corners. On all meander corners, the letters “M. C.” ( for meander corner) will be cut into the side facing the stream or lake to be meandered. On post or tree meander corners, within township exteriors[…]"; "And as to the lands that were within the national meander boundaries, that description was based upon a state survey?"obsoletepossibly

5. (architecture) A decorative border consisting of a repeated linear motif, particularly of intersecting perpendicular lines.