Source : Webster's Revised Unabridged Dictionary (1913)

Inhibition \In`hi*bi"tion\, n. [L. inhibitio: cf. F.
   inhibition.]
   1. The act of inhibiting, or the state of being inhibited;
      restraint; prohibition; embargo.

   2. (Physiol.) A stopping or checking of an already present
      action; a restraining of the function of an organ, or an
      agent, as a digestive fluid or ferment, etc.; as, the
      inhibition of the respiratory center by the pneumogastric
      nerve; the inhibition of reflexes, etc.

   3. (Law) A writ from a higher court forbidding an inferior
      judge from further proceedings in a cause before; esp., a
      writ issuing from a higher ecclesiastical court to an
      inferior one, on appeal. --Cowell.

Source : WordNet®

inhibition
     n 1: (psychology) the conscious exclusion of unacceptable
          thoughts or desires [syn: {suppression}]
     2: the quality of being inhibited
     3: (physiology) the process whereby nerves can retard or
        prevent the functioning of an organ or part; "the
        inhibition of the heart by the vagus nerve"
     4: the action of prohibiting or inhibiting or forbidding (or an
        instance thereof); "they were restrained by a prohibition
        in their charter"; "a medical inhibition of alcoholic
        beverages"; "he ignored his parents' forbiddance" [syn: {prohibition},
         {forbiddance}]