Nonce n.  The one or single occasion; the present call or purpose; -- chiefly used in the phrase for the nonce, i. e. for the present time.
     The miller was a stout carl for the nones.   --Chaucer.
  And that he calls for drink, I 'll have prepared him
  A chalice for the nonce.   --Shak.
  Nonce word, “a word apparently employed only for the nonce”.
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  nonce word
       n : a word with a special meaning used for a special occasion
           [syn: hapax legomenon]