资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ambidextrousness \Am`bi*dex"trous*ness\, n.
   The quality of being ambidextrous; ambidexterity.

资料来源 : WordNet®

ambidextrousness
     n : the property of being equally skillful with each hand [syn:
         {ambidexterity}]