Ok·to·ber·fest 
(ŏk-tōbər-fĕst′)
(ŏk-tōbər-fĕst′)n.
An autumn festival that usually emphasizes merrymaking and the consumption of beer.
[German : Oktober, October (from Latin Octōber; see OCTOBER) + Fest, festival (from Middle High German vëst, from Latin fēstum, from neuter of fēstus, festive; see dhēs- in the Appendix of Indo-European roots).]