Source : Webster's Revised Unabridged Dictionary (1913)

Glomerule \Glom"er*ule\, n. [Dim. fr. L. glomus ball.]
   1. (Bot.) A head or dense cluster of flowers, formed by
      condensation of a cyme, as in the flowering dogwood.

   2. (Anat.) A glomerulus.

Source : WordNet®

glomerule
     n : a compacted or sessile cyme