catenary, n. and a.
(kəˈtiːnərɪ)
[ad. L. catēnāri-us relating to a chain, f. catēna chain.]
A. n. Math. [mod.L. catenaria.] The curve formed by a chain or rope of uniform density hanging freely from two fixed points not in the same vertical line. The common catenary is the curve so formed by a chain of uniform thickness.
| 1788 T. Jefferson Writ. (1859) II. 546 Every part of a catenary is in perfect equilibrium. 1798 Hutton Course Math. (1828) II. 175 A heavy flexible cord or chain, left to adjust itself into a hanging catenary. 1856 Ruskin Mod. Paint. IV. v. xvii. §12 One of the most beautifully gradated natural curves—called the catenary. |
B. adj.
1. Math. catenary curve = catenary; see A.
| 1872 Ruskin Eagle's Nest §139 The parabolas of ..waterfalls and fountains..the catenary curves of their falling festoons. 1887 Hardy Woodlanders I. i. 6 A hook to which the reins were hitched..forming a catenary curve. |
2. Relating to a catena or series.
| 1855 I. Taylor Restor. Belief 221 By processes of catenary deduction. |