Looking for the meaning or definition of the word catenary? Here's what it means.
Adjective
Relating to a chain; like a chain.
Noun
(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 uniformgravitational force due to its own weight.
(nautical) The curve of an anchorcable 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.