December bris, bre, adj. decem, of the tenth: mensis, the tenth month (from March), December (of 31 days).
—As subst m. (sc. mensis), C., L., H., O.
—Poet.: Hic tertius, the third full year, H.
— cf. me quater undenos implevisse Decembres, H.
— Hence, of December: a. d. VIII Kalendas Decembrīs: Nonae, H.: Idibus, L.: libertas, i. e. of the Saturnalia, H.