Hypertext Webster Gateway: "Catenary"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Catenary \Cat"e*na*ry\, Catenarian \Cat`e*na"ri*an\, a. [L.
catenarius, fr. catena a chain. See {Chain}.]
Relating to a chain; like a chain; as, a {catenary} curve.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Catenary \Cat"e*na*ry\, n.; pl. {Catenaries}. (Geol.)
The curve formed by a rope or chain of uniform density and
perfect flexibility, hanging freely between two points of
suspension, not in the same vertical line.
From WordNet (r) 1.7 (wn)
catenary
n : the curve theoretically assumed by a perfectly flexible and
inextensible cord of uniform density and cross section
hanging freely from two fixed points
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