bīduum ī, n
bi-+dies, a period of two days, two days: concedere, T.: biduist Haec sollicitudo, is a matter of, T.: omnino biduum supererat, remained, Cs.: eximere biduum ex mense: biduum cibo se abstinere, N.: supplicationes in biduum decretae, L.: uno die longior mensis aut biduo: eo biduo, during those two days; eo biduo, after those two days, Cs.: biduo ante: biduo post, two days later, Cs.: biduo quo haec gesta sunt, Cs.: bidui viā abesse, two days' march, Cs.: biduum aut triduum abesse, two or three days.