Oktoberfest definition by Webster's New World
- a beer-drinking festival held in Munich, Germany, in the fall
- a similar festival held elsewhere
Oktoberfest definition by American Heritage Dictionary
Origin: 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 Indo-European roots).