Definition from Wiktionary, the free dictionary
- Relating to a chain; like a chain.
catenary (plural catenaries)
- (geometry) The curve described by a flexible chain or a rope if it is supported at each end and is acted upon only by no other forces than a uniform gravitational force due to its own weight.
- (nautical) The curve of an anchor cable from the seabed to the vessel; it should be horizontal at the anchor so as to bury the flukes.
- A system of overhead power lines that provide trains, trolleys, buses, etc., with electricity, having a straight conductor wire and a bowed suspension cable.
Example of a bouy floating in the water with the mooring lines being in catenary curve shapes
curve of a flexible chain
power lines above trolley tracks