Definify.com
Webster 1913 Edition
Heyday
Hey′dayˊ
,Noun.
The time of triumph and exultation; hence, joy, high spirits, frolicsomeness; wildness.
The
heyday
in the blood is tame. Shakespeare
In the
heyday
of their victories. J. H. Newman.
Webster 1828 Edition
Heyday
HEYDAY
, exclam. An expression of frolick and exultation, and sometimes of wonder.HEYDAY
,Noun.