thumb|right|This chain, whose ends hang from two points, forms a catenary. thumb|right|The silk on this spider web forms multiple elastic catenaries.
thumb|right|This chain, whose ends hang from two points, forms a catenary. thumb|right|The silk on this spider web forms multiple elastic catenaries.
In physics and geometry, a catenary ( , ) is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends in a uniform gravitational field.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).