Lachlan's terms for a collection of points.
Polystigm
See also
Polygram, TetrastigmExplore with Wolfram|Alpha
References
Lachlan, R. An Elementary Treatise on Modern Pure Geometry. London: Macmillian, p. 83, 1893.Referenced on Wolfram|Alpha
PolystigmCite this as:
Weisstein, Eric W. "Polystigm." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Polystigm.html