The Collaborative International Dictionary of English v.0.48:

Denay \De*nay"\, v. t. [See Deny.]
   To deny. [Obs.]
   [1913 Webster]

         That with great rage he stoutly doth denay. --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Denay \De*nay"\, n.
   Denial; refusal. [Obs.] --Shak.
   [1913 Webster]