Dec"ade (?), n. [F. d'ecade, L. decas, -adis, fr. Gr. , fr. ten. See Ten.]
A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy.
[Written also decad
During this notable decade of years.
© Webster 1913.