Source : Webster's Revised Unabridged Dictionary (1913)

Flocculus \Floc"cu*lus\, n.; pl. {Flocculi}. [NL., dim. of L.
   floccus a lock or flock of wool.] (Anat.)
   A small lobe in the under surface of the cerebellum, near the
   middle peduncle; the subpeduncular lobe.

Source : WordNet®

flocculi
     See {flocculus}