catenary: Meaning and Definition of

cat•e•nar•y

1. the curve assumed approximately by a heavy uniform cord or chain hanging freely from two points not in the same vertical line. Equation:cosh(x/k). y = k
2. (in electric railroads) the cable, running above the track, from which the trolley wire is suspended.

1. of, pertaining to, or resembling a catenary.
2. of or pertaining to a chain or linked series.