The Collaborative International Dictionary of English v.0.48:

Nother \Noth"er\, conj.
   Neither; nor. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

nother \noth"er\, a.
   Other; -- variant spelling used mostly in the phrase a whole
   nother (i. e., a completely different), as though formed by
   splitting the word "another".
   [PJC]

The Free On-line Dictionary of Computing (30 December 2018):

Nother

   A parallel symbolic mathematics system.

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