heyday

from WordNet (r) 3.0 (2006)

heyday
    n 1: the period of greatest prosperity or productivity [syn:
         {flower}, {prime}, {peak}, {heyday}, {bloom}, {blossom},
         {efflorescence}, {flush}]

from The Collaborative International Dictionary of English v.0.48

Heyday \Hey"day`\, interj. [Cf. G. heida, or hei da, D. hei
   daar. Cf. {Hey}, and {There}.]
   An expression of frolic and exultation, and sometimes of
   wonder. --B. Jonson.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Heyday \Hey"day`\, n. [Prob. for. high day. See High, and
   {Day}.]
   The time of triumph and exultation; hence, joy, high spirits,
   frolicsomeness; wildness.
   [1913 Webster]

         The heyday in the blood is tame.         --Shak.
   [1913 Webster]

         In the heyday of their victories.        --J. H.
                                                  Newman.
   [1913 Webster]

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