[1] : The Collaborative International Dictionary of English v.0.48

withhold \withhold"\, v. t. imp. withheld; p. p. withheld,
   obs. or archaic withholden; p. pr.  vb. n. withholding.
   with again, against, back + hold.
   1913 webster
   1. to hold back; to restrain; to keep from action.
      1913 webster

            withhold, o sovereign prince, your hasty hand
            from knitting league with him.        --spenser.
      1913 webster

   2. to retain; to keep back; not to grant; as, to withhold
      assent to a proposition.
      1913 webster

            forbid who will, none shall from me withhold
            longer thy offered good.              --milton.
      1913 webster

   3. to keep; to maintain; to retain. obs.
      1913 webster

            to withhold it the more easily in heart. --chaucer.
      1913 webster
see also:
withheld withholden withholding 

[2] : WordNet (r) 2.0

withholding
     n 1: the act of deducting from an employee's salary
     2: income tax withheld from employees' wages and paid directly
        to the government by the employer syn: withholding tax
     3: the act of holding back or keeping within your possession or
        control; "i resented his withholding permission"; "there
        were allegations of the withholding of evidence"
see also:
withholding tax 

Withholding >> W Words
Withholding, definition of term: Withholding
withholding_pag1.html

Withholding Tax >> W Words
Withholding Tax, definition of term: Withholding Tax
withholding+tax_pag1.html