2. parameter one of the independent variables in a set of parametric equations.
3. parameter a variable entering into the mathematical form of any statistical distribution such that the possiblevalues of the variable correspond to different distributions.
4. parameter a variable that must be given a specific value during the execution of either a computer program or a procedure within a program.
5. parameter Usu., parameters. limits or boundaries; guidelines: to keep within the parameters of the discussion.
6. parameter a determining characteristic; factor: a useful parameter for judging long-term success.
Etymology: (1650–60; < NL parametrum. See para -1, -meter)
Definition of 'Parameter'
Princeton's WordNet
1. (noun)parameter, parametric quantity a constant in the equation of a curve that can be varied to yield a family of similar curves
2. (noun)parameter any factor that defines a system and determines (or limits) its performance
3. (noun)argument, parameter (computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program
4. (noun)parameter a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sampledata
Definition of 'Parameter'
Webster Dictionary
1. (noun)Parameter a term applied to some characteristicmagnitude whose value, invariable as long as one and the same function, curve, surface, etc., is considered, serves to distinguish that function, curve, surface, etc., from others of the samekind or family
2. (noun)Parameter specifically (Conic Sections), in the ellipse and hyperbola, a thirdproportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate
Definitions of Parameter 
