Décade. n.s. [δέκα, Gr. decas, Latin.] The sum of ten; a number containing ten.

Men were not only out in the number of some days, the latitude of a few years, but might be wide by whole olympiads, and divers decades of years. Brown's Vulgar Errours.

We make cycles and periods of years; as decades, centuries, and chiliads, chiefly for the use of computations in history, chronology, and astronomy. Holder on Time.

All rank'd by ten; whole decades, when they dine,
Must want a Trojan slave to pour the wine. Pope's Iliad.