Param

from The Collaborative International Dictionary of English v.0.48

Param \Par"am\, n. (Chem.)
   A white crystalline nitrogenous substance ({C2H4N4}); --
   called also {dicyandiamide}.
   [1913 Webster]

from Jargon File (4.4.4, 14 Aug 2003)

param
 /[email protected]'/, n.

   [common] Shorthand for parameter. See also {parm}; compare {arg},
   {var}.

from The Free On-line Dictionary of Computing (8 July 2008)

formal argument
param
parameter

   <programming> (Or "parameter") A name in a {function} or
   {subroutine} definition that is replaced by, or bound to, the
   corresponding {actual argument} when the function or
   subroutine is called.  In many languages formal arguments
   behave like {local variables} which get initialised on entry.

   See: {argument}.

   (2002-07-02)