\Val*lec"u*la\, n.; pl. {Vallecul[ae]}. [NL., dim. fr.
L. vallis, valles, a valley.]
1. (Anat.) A groove; a fossa; as, the vallecula, or fossa,
   which separates the hemispheres of the cerebellum.

2. (Bot.) One of the grooves, or hollows, between the ribs of
   the fruit of umbelliferous plants.