A three-dimensional knot spun about a plane in four dimensions. Unlike suspended knots, spun knots are smoothly embedded at the poles.
Spun Knot
See also
Suspended Knot, Twist-Spun KnotExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Spun Knot." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SpunKnot.html