catenary

Its form is that of the catenary curve, the most perfect shape for an arch, and the only one that requires no buttressing from the side.

From The Wall Street Journal ● Jun. 27, 2026

Agnoli, who worked as a carpenter prior to entering architecture, used long spans of wood to create massive trusses and spiraling nautilus shapesand formed brick into catenary arches.

From Los Angeles Times ● Aug. 6, 2025

Contractors will replace overhead catenary wires that supply power to the trains.

From Seattle Times ● Nov. 10, 2022

Replacement of track infrastructure, and the electric catenary poles and wires and the signal systems, is work that goes on every year.

From Washington Post ● Sep. 9, 2021

There must be two attached alternately to the catenary cable.

From Tom Swift and His Electric Locomotive, or, Two Miles a Minute on the Rails by Victor [pseud.] Appleton

Power is often still carried on lines that hang in graceful catenaries of various depths from poles that lean left or right randomly but rarely stand straight.

From New York Times ● Nov. 16, 2012

A relief sculpture by Charles Biederman or the prodigious steel catenaries of Othmar H. Ammann's design for the George Washington Bridge?

From Time Magazine Archive

Now let us consider the surfaces of revolution formed by this system of catenaries revolving about the directrix of the two catenaries of equal tension.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various

It is true, they will not be exact catenaries, but they will depart very little from it; much less than portions of circles will.

From Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson, Volume 2 by Thomas Jefferson Randolph

Every catenary lying between them has its directrix higher, and every catenary lying beyond them has its directrix lower than that of the two catenaries.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various