flocculonodular lobe
noun
floc·cu·lo·nod·u·lar lobe
| \ ˌfläk-yə-(ˌ)lō-ˈnäj-ə-lər-
\
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Medical Definition of flocculonodular lobe
: the posterior lobe of the cerebellum that consists of the nodulus and paired lateral flocculi and is concerned with equilibrium