The Collaborative International Dictionary of English v.0.48:

Nude \Nude\ (n[=u]d), a. [L. nudus. See Naked.]
   1. Bare; naked; unclothed; undraped; as, a nude statue.
      [1913 Webster]

   2. (Law) Naked; without consideration; void; as, a nude
      contract. See Nudum pactum. --Blackstone.
      [1913 Webster]

   The nude, the undraped human figure in art.
      [1913 Webster] -- Nude"ly, adv.- Nude"ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

nudeness
    n 1: the state of being without clothing or covering of any kind
         [syn: nakedness, nudity, nudeness]