upper bound

from WordNet (r) 3.0 (2006)

upper bound
    n 1: (mathematics) a number equal to or greater than any other
         number in a given set

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

upper bound

   An upper bound of two elements x and y under some {relation}
   <= is an element z such that x <= z and y <= z.

   ("<=" is written in {LaTeX} as {\sqsubseteq}).

   See also {least upper bound}.

   (1995-02-15)