hours n 1: a period of time assigned for work; "they work long hours" 2: an indefinite period of time; "they talked for hours"
Hours \Hours\, n. pl. [A translation of L. Horae (Gr. ?). See {Hour}.] (Myth.) Goddess of the seasons, or of the hours of the day. [1913 Webster] Lo! where the rosy-blosomed Hours, Fair Venus' train, appear. --Gray. [1913 Webster]